Yuav ua li cas Fiber Optic Kaw kom ruaj ntseg Network Txuas

Yuav ua li cas Fiber Optic Kaw kom ruaj ntseg Network Txuas

Fiber optic kaw tiv thaiv fiber ntau optic cables thiab splices, kom ntseeg tau tias kev sib txuas tsis cuam tshuam. Lawv cov qauv tsim muaj zog tiv thaiv ib puag ncig thiab kev hem thawj, txo cov kev xav tau ntawm kev saib xyuas. Piv txwv li, 144F 1 hauv 8 tawm Vertical Heat-ShrinkFiber Optic Kawsimplifies kev daws teeb meem thiab kho. Qhov nontsug splice kawminimizes cuam tshuam, streamlining network kev ua tau zoo thiab txhim khu kev ntseeg. Covfiber optic splice kawyog engineered los muab tshwj xeeb durability thiab kev ua tau zoo, ua rau nws ib tug zoo tagnrho xaiv rau ntau yam kev siv.

Ntsiab Cai

  • Fiber optic kawkhaws cov cables kom tsis txhob muaj dej, av, thiab cua sov. Qhov no yuav pab tau cov tes hauj lwm nyob ruaj khov.
  • Lawvmuaj zog tsimtxo cov kev xav tau kho thiab txuag nyiaj. Lawv yog ib qho kev xaiv zoo rau kev siv network ntev.
  • Kev txheeb xyuas qhov kaw feem ntau ua rau lawv ua haujlwm zoo. Qhov no nres teeb liab teeb meem thiab ua rau lub network muaj zog.

Dab tsi yog Fiber Optic Kaw?

Dab tsi yog Fiber Optic Kaw?

Txhais thiab Lub Hom Phiaj

Fiber optic kaw yog tiv thaiv enclosures tsim los rau lub tsev thiab tiv thaiv spliced ​​fiber optic cables. Cov kev kaw no tiv thaiv cov cables los ntawm ib puag ncig yam xws li ya raws, plua plav, thiab qhov kub thiab txias, kom ntseeg tau tias kev ncaj ncees ntawm lub network. Los ntawm kev ruaj ntseg vaj tse spliced ​​fibers, lawv tiv thaiv kev puas tsuaj thiab tswj kev sib txuas tsis cuam tshuam. Lawv lub luag haujlwm yog qhov tseem ceeb hauv qhov chaw sab nraum zoov uas cov cables raug rau cov xwm txheej hnyav.

Lub hom phiaj tseem ceeb ntawm kev kaw fiber ntau optic yog lostxhim khu kev ntseegthiab lub neej ntev ntawm fiber optic networks. Cov kaw no txhim kho thiab tiv thaiv splices, kom ntseeg tau tias kev sib txuas ruaj khov nyob rau lub sijhawm. Txawm hais tias siv hauv huab cua, hauv av, lossis hauv tsev, lawv tsim ib qho tseem ceeb ntawm kev sib txuas lus niaj hnub.

Cov yam ntxwv tseem ceeb rau Network Kev ntseeg tau

Fiber optic kaw suav nrog ntau yam nta uas ua kom muaj kev ntseeg tau ntawm lub network. Cov no suav nrog:

  • Kev tiv thaiv ib puag ncig: Lub plhaub sab nrauv muab cov dej tsis sib haum thiab plua plav pov thawj, tiv thaiv cov kab hluav taws xob los ntawm cov kab mob sab nraud.
  • Durability: Tsim los ntawm cov khoom siv tiv thaiv kev tiv thaiv thiab cov khoom siv tiv thaiv corrosion, cov kaw no tiv taus kev ntxhov siab thiab huab cua hnyav.
  • Teeb liab kev ncaj ncees: Tus tsim minimizes sab nraud cuam tshuam, ua kom spliced ​​fibers ua raws thiab ruaj ntseg kom txo cov teeb liab poob.
  • Kev kho yooj yim: Cov yam ntxwv zoo li splice tais tso cai rau cov kws tshaj lij nkag mus rau ib tus neeg fibers yam tsis muaj kev cuam tshuam rau lwm tus, ua kom yooj yim kho thiab hloov kho dua tshiab.
Feature Kev piav qhia
Kev tiv thaiv ib puag ncig yam Dome-style kaw muab kev tiv thaiv zoo tiv thaiv dej thiab plua plav, ua kom muaj kev ntseeg siab hauv cov xwm txheej hnyav.
Durability Ua los ntawm kev cuam tshuam-resistant plastics thiab anti-corrosive hlau, cov kaw no tiv taus lub cev kev ntxhov siab thiab huab cua hnyav.
Txhim kho teeb liab kev ncaj ncees Tus tsim minimizes sab nraud cuam tshuam, xyuas kom meej spliced ​​fibers nyob twj ywm raws nraim thiab ruaj ntseg, txo cov teeb liab poob.
Txo cov nqi tu Lawv cov kav ntev thiab cov yam ntxwv tiv thaiv txuas ntxiv lub neej ntawm cov tes hauj lwm, txo qhov xav tau kev kho ntau zaus.

Cov yam ntxwv no ua rau cov fiber ntau optic kaw qhov tseem ceeb rau kev tswj xyuas kev sib txuas tau zoo thiab txhim khu kev qha.

Hom Fiber Optic Kaw

Hom Fiber Optic Kaw

Fiber optic kaw tuaj nyob rau hauv ntau yam qauv tsim kom tau raws li cov kev xav tau sib txawv ntawm kev sib txuas lus niaj hnub. Txhua hom muaj cov yam ntxwv tshwj xeeb raws li qhov tshwj xeeb kev teeb tsa ib puag ncig thiab kev siv.

Dome Kaw

Dome kaw, tseem hu ua ntsug kaw, yog qhov zoo tagnrho rau kev teeb tsa sab nraum zoov. Lawv cov duab cylindrical muab kev tiv thaiv ib puag ncig xws li dej, plua plav, thiab kub hloov pauv. Cov kev kaw no siv lub clamp thiab O-ring system los xyuas kom meej cov dej tsis sib haum, ua rau lawv haum rau saum huab cua, faus, lossis hauv av.

Cov yam ntxwv tseem ceeb ntawm dome kaw muaj xws li:

  • Ntau yam Sealing Options: Lawv txhawb nqa ob qho tib si txhua yam thiab kub-shrinkable ntsaws ruaj ruaj, yooj yim installation.
  • Txhim khu Durability: Cov qauv tsim tiv taus huab cua hnyav, ua kom muaj kev ntseeg tau ntev.

Lawv lub peev xwm los tiv thaiv fiber ntau splices nyob rau hauv ib puag ncig nyuaj ua rau lawv xaiv rau kev sib txuas sab nraum zoov.

Inline Kaw

Inline kaw yog tsim tshwj xeeb rau kev siv faus ncaj qha. Lawv kab rov tav layout tso cai rau seamless kev koom ua ke rau hauv underground tes hauj lwm. Cov kaw no feem ntau yog siv rau hauv kev sib txuas hauv tsev los yog kev teeb tsa sab hauv tsev uas muaj qhov txwv tsis pub muaj. Lawv cov qauv tsim kom ntseeg tau tias kev tswj hwm cable zoo thaum tswj kev sib raug zoo network.

Aerial Kaw

Aerial kaw yog tsim los tiv thaiv cov teeb meem tshwj xeeb ntawm kev teeb tsa saum toj no hauv av. Cov kev kaw no yog ntsia rau ntawm cov ncej lossis lwm cov qauv siab, qhov chaw uas lawv ntsib ib puag ncig kev ntxhov siab xws li UV hluav taws xob, cua daj cua dub, thiab daus hnyav.

Environmental Challenge Kev cuam tshuam
UV hluav taws xob Kev raug ncua ntev tuaj yeem degrade cov ntaub ntawv, ua rau muaj kev pheej hmoo ntawm kev ncaj ncees.
Kev cuam tshuam lub cev Cov cua daj cua dub thiab cov daus ua rau muaj kev ntxhov siab, uas cuam tshuam rau kev ntseeg tau ntawm lub network.

Lawv cov kev tsim kho muaj zog ua kom ntseeg tau tias kev ua tau zoo hauv cov huab cua sib txawv.

Kev kaw hauv av

Kev kaw hauv av yog tsim los tiv thaiv cov kev xav tau ntawm kev teeb tsa faus. Lawv muab kev tiv thaiv tshwj xeeb rau cov dej noo thiab dej ingress, uas yog ib qho ua rau tsis ua hauj lwm hauv kev sib txuas hauv av. Lawv cov qauv tsim ua kom ntseeg tau tias kev sib txuas ntawm fiber ntau nyob ruaj ntseg, txawm tias muaj kev ntxhov siab rau lub cev.

Txhua hom fiber ntau optic kaw plays lub luag haujlwm tseem ceeb hauvtswj kev ua haujlwm network, muab cov kev daws teeb meem tshwj xeeb rau cov teeb meem ib puag ncig thiab kev ua haujlwm.

Cov txiaj ntsig ntawm Fiber Optic Kaw

Kev tiv thaiv ib puag ncig

Fiber optic kaw muab kev tiv thaiv tshwj xeeb tiv thaiv ib puag ncig, ua kom muaj kev ntseeg siab ntawm fiber ntau optic tes hauj lwm. Lawv cov kev tsim vaj tse kaw tiv thaiv cov dej noo, plua plav, thiab lwm yam kab mob los ntawm kev cuam tshuam kev ncaj ncees ntawm kev sib txuas fiber ntau. Qhov tshwj xeeb no yog qhov tseem ceeb tshwj xeeb hauv kev teeb tsa sab nraum zoov, qhov chaw kaw tau ntsib cov teeb meem xws li nag, av noo, thiab kub hloov pauv. Tsim los ua haujlwm nyob rau hauv cov xwm txheej tsis zoo, cov kaw no tswj kev ua haujlwm nyob rau hauv ob qho tib si khov thiab scorching ib puag ncig.

Cov ntaub ntawv siv hauv lawv cov kev tsim kho, xws li UV-resistant plastics thiab aluminium alloys, ntxiv dag zog rau lawv cov kav ntev. Cov ntaub ntawv no tiv thaiv cov khoom sab hauv los ntawm kev raug tshav ntuj ntev thiab lwm yam huab cua hnyav. Los ntawm kev tiv thaiv cov fibers mos, fiber optic kaw ua lub luag haujlwm tseem ceeb hauv kev tswj kev sib txuas tsis cuam tshuam.

Mechanical Durability

Fiber optic kaw yog engineered los tiv thaiv cov neeg kho tshuab kev nyuaj siab, kom ntseeg tau lub network stability ntev. Lawv cov qauv tsim muaj zog tiv thaiv kev cuam tshuam ntawm lub cev, kev vibrations, thiab lwm yam kev ntxhov siab uas tuaj yeem ua rau puas tsuaj fiber ntau. Qhov kev ua haujlwm ntev no yog qhov tseem ceeb rau kev teeb tsa hauv thaj chaw uas muaj cua daj cua dub, daus los yog hauv av siab.

Qhov kev kaw lub peev xwm los tiv thaiv cov xwm txheej zoo li no ua kom cov tes hauj lwm tseem ua haujlwm txawm tias ntsib teeb meem ntawm ib puag ncig thiab kev siv tshuab. Qhov no resilience yuav txo tau qhov zoo ntawm kev puas tsuaj, ua rau tag nrho kev cia siab ntawm lub network.

Txo kev txij nkawm thiab kev poob qis

Kev koom ua ke ntawm fiber ntau optic kaw rau hauv tes hauj lwm ua rau txo qis kev siv zog thiab cov nqi. Lawv cov qauv tsim ua kom yooj yim rau kev daws teeb meem thiab kho cov txheej txheem, tso cai rau cov kws tshaj lij nkag mus rau ib tus kheej splices yam tsis muaj kev cuam tshuam rau lwm tus. Txoj kev ua kom yooj yim no txo ​​qis lub sijhawm uas yuav tsum tau kho thiab kho dua tshiab, ua rau txo qis ntawm kev saib xyuas zaus.

Los ntawm kev txo qhov kev xav tau ntawm kev cuam tshuam tsis tu ncua, fiber ntau optic kaw pab tswj kev ua haujlwm zoo sib xws. Qhov kev ua tau zoo no tsis tsuas yog txuag lub sijhawm tab sis kuj txo cov nqi ua haujlwm, ua rau lawv muaj txiaj ntsig zoo rau kev sib txuas lus niaj hnub.

Longevity thiab nqi-zoo

Fiber optic kaw muab cov nqi mus sij hawm ntev txawm tias lawv cov peev txheej pib dua. Lawv lub neej ncua ntev, feem ntau tshaj 25 xyoo, txo tus nqi tag nrho ntawm kev ua tswv cuab. Kev txuag nyiaj mus sij hawm ntev tshwm sim los ntawm kev txo cov nqi kho thiab txo qis qis, uas yog qhov tseem ceeb rau kev ua kom muaj kev ntseeg siab hauv lub network.

Tsis tas li ntawd, hloov cov chav qub qub thaum cov nqi kho mob ntau dua ib nrab ntawm lawv cov nqi yuav khoom pov thawj yog qhov kev xaiv pheej yig dua. Cov tswv yim no zam kev kho tsis tu ncua, ntxiv dag zog rau tus nqi-zoo ntawm fiber ntau kaw. Lawv cov kav ntev thiab kev ntseeg tau ua rau lawv muaj peev xwm ntse rau txhua lub network fiber optic.

Hais txog Kev Sib Tw Network nrog Fiber Optic Kaw

Tiv thaiv kom tsis muaj teeb meem

Kev poob qis tseem yog ib qho kev sib tw tseem ceeb hauv fiber ntau optic tes hauj lwm.Fiber optic kaw ua lub luag haujlwm tseem ceebnyob rau hauv kev daws qhov teeb meem no los ntawm kev tiv thaiv spliced ​​fibers los ntawm ib puag ncig thiab mechanical hem. Lawv cov qauv tsim los tiv thaiv kom tsis txhob ya raws, uas tuaj yeem ua rau cov khoom sib txuas thiab degrade kev sib txuas. High-quality gaskets xyuas kom nruj cov ntsaws ruaj ruaj, tiv thaiv cov dej ingress thiab tswj cov teeb liab kev ncaj ncees.

Cov ntawv ceeb toom qhia txog kev ua tau zoo ntawm kev kaw hauv kev txo cov teeb liab degradation. Cov yam ntxwv xws li kev sib khi kom zoo thiab kev tswj hwm ib puag ncig txo qis kev cuam tshuam sab nraud, txo cov teeb liab attenuation. Kev tshuaj xyuas tsis tu ncua ntxiv txhim kho kev ua tau zoo los ntawm kev txheeb xyuas cov ntsaws ruaj ruaj lossis tawg ua ntej lawv cuam tshuam lub network.

Feature Kev cuam tshuam rau kev ua haujlwm
Sealing tsim nyog Tiv thaiv kom txhob ya raws infiltration, uas yuav corrode Cheebtsam thiab degrade kev sib txuas.
High-Quality Gaskets Xyuas kom nruj seals los tiv thaiv cov dej nkag.
Kev tshuaj xyuas tsis tu ncua Txheeb xyuas cov ntsaws ruaj ruaj lossis cov kab nrib pleb kom tswj tau qhov ua tau zoo.

Mitigating Environmental Damage

Fiber optic kaw muabmuaj zog tiv thaiv kev puas tsuaj ib puag ncig, ua kom muaj kev ntseeg siab hauv lub network hauv cov xwm txheej hnyav. Lawv cov kev tsim kho ruaj khov shields spliced ​​fibers los ntawm ya raws, plua plav, thiab kub heev. Qhov kev tiv thaiv no yog qhov tseem ceeb rau kev teeb tsa sab nraum zoov, qhov chaw kaw tau ntsib cov teeb meem xws li dej nag hnyav, hluav taws xob UV, thiab qhov kub thiab txias.

Txhawm rau txo kev hem thawj ib puag ncig, kaw cov khoom siv thiab cov qauv tsim. UV-resistant plastics thiab anti-corrosive coatings txhim khu kev ruaj khov, thaum tshav kub-shrink sealing txoj kev ua kom muaj qhov thaiv dej. Cov yam ntxwv no tiv thaiv cov kab mob los ntawm kev cuam tshuam kev sib txuas ntawm fiber ntau, tswj kev ua haujlwm hauv network thoob plaws ntau qhov chaw.

  • Cov kev tiv thaiv tseem ceeb muaj xws li:
    • Xyuas kom zoo sealing kom tsis txhob ya raws infiltration.
    • Siv cov gaskets zoo los tiv thaiv cov dej nkag.
    • Kev tshuaj xyuas tsis tu ncua txhawm rau txheeb xyuas cov ntsaws ruaj ruaj lossis tawg.

Ua kom ruaj khov kho thiab kho dua tshiab

Fiber optic kaw ua kom yooj yim kho thiab hloov kho dua tshiab, txo qis lub sijhawm network. Lawv cov qauv tsim qauv tso cai rau cov kws tshaj lij nkag mus rau ib tus neeg sib tw yam tsis muaj kev cuam tshuam rau lwm tus, ua kom cov txheej txheem tu. Qhov no feature tshwj xeeb tshaj yog muaj txiaj ntsig zoo rau cov tes hauj lwm loj, qhov kev daws teeb meem zoo yog qhov tseem ceeb.

Kaw kuj txhawb scalability, haum ntxiv splices raws li tes hauj lwm nthuav. Lawv tsim kom ntseeg tau tias cov fibers spliced ​​nyob twj ywm thiab ruaj ntseg, txo kev cuam tshuam thaum hloov kho dua tshiab. Los ntawm kev txhim kho seamless kho thiab nthuav dav, fiber ntau optic kaw txhim kho tag nrho cov kev ntseeg siab thiab ntev ntawm kev sib txuas lus.

  • Cov txiaj ntsig ntawm kev kaw hauv kev saib xyuas:
    • Tiv thaiv spliced ​​fibers los ntawm ib puag ncig hem.
    • Txo qhov xav tau kev hloov pauv ntau zaus, txhim kho kev ntseeg tau.
    • Xyuas kom cov spliced ​​fibers nyob twj ywm thiab ruaj ntseg, txo cov teeb liab poob.

Tiag tiag ntiaj teb piv txwv: 144F 1 hauv 8 tawm Vertical Heat-Shrink Fiber Optic Kaw

Product Overview and Features

Lub 144F 1 hauv 8 tawm Vertical Heat-Shrink Fiber Optic Kaw ua piv txwv txog kev tsim kho tshiab rau kev sib txuas lus niaj hnub. Tsim los txuas cov xaim xaim thiab cov xaim xaim xaim, nws haum rau 144 fibers nrog lub tais muaj peev xwm ntawm 24 fibers. Nws lub dome-rau-base tsim kom yooj yim nkag mus rau splices yam tsis muaj kev cuam tshuam rau lwm tus, kho kom zoo thiab hloov kho dua tshiab. Qhov kaw nta ib txoj kev tshav kub-shrink sealing, muab ib tug watertight thiab dustproof enclosure. Tsim los ntawm high-quality engineering plastics, nws tiv taus kev laus, corrosion, thiab nplaim taws, ua kom ruaj khov nyob rau hauv ib puag ncig nyuaj. Tsis tas li ntawd, nws qhov kev ntsuam xyuas IP68 lav tiv thaiv kev tiv thaiv dej thiab plua plav tawm, thaum lub xov tooj cua tiv thaiv hauv av ua kom muaj kev nyab xeeb.

Cov ntawv thov nyob rau niaj hnub Networks

Qhov kev kaw fiber ntau optic no txhawb kev siv ntau yam, suav nrog kev sib txuas lus, CATV, thiab IoT infrastructure. Nws versatility tso cai rau aerial, phab ntsa-mounted, thiab ncaj qha faus installation. Qhov kaw qhov tsim muaj zog ua kom ntseeg tau tias kev ua tau zoo hauv cov kev xav tau siab, qhov kev sib txuas tsis cuam tshuam yog qhov tseem ceeb. Piv txwv li, kev lag luam thoob ntiaj teb fiber ntau optic, muaj nuj nqis ntawm $ 1.5 nphom hauv 2022 nrog 7% CAGR, qhia txog qhov kev thov loj hlob rau kev siv internet ceev thiab IoT nthuav dav. Qhov kaw lub peev xwm los tiv thaiv cov dej noo, plua plav, thiab kub hloov pauv ua rau nws tseem ceeb rau kev tswj cov teeb liab kev ncaj ncees hauv cov tes hauj lwm no.

Xyoo Tus nqi lag luam (hauv billion USD) CAGR (%) Cov Tsav Tsheb Tseem Ceeb
2022 1.5 7 High-speed internet thov, IoT expansion

Qhov zoo nyob rau hauv Harsh Environments

Qhov 144F kaw ua tau zoo nyob rau hauv cov xwm txheej hnyav, qhov kev sib tw ib puag ncig cuam tshuam rau kev ntseeg tau ntawm lub network. Nws cov ntaub ntawv UV-resistant thiab airtight tsim tiv thaiv degradation los ntawm tshav ntuj thiab kis los ntawm plua plav lossis khib nyiab. Lub tshav kub-shrink sealing txoj kev ua kom muaj kev tiv thaiv tsis muaj dej, hais txog cov teeb meem xws li dej ingress, uas cuam tshuam txog 67% ntawm kev kaw hauv av. Tsis tas li ntawd, nws muaj peev xwm tiv taus qhov kub thiab txias thiab cov neeg kho tshuab kev ntxhov siab ua kom muaj kev ua haujlwm ntev. Cov yam ntxwv no ua rau nws xaiv qhov kev xaiv zoo rau kev teeb tsa sab nraum zoov thiab hauv av, qhov chaw ua haujlwm ntev thiab kev tiv thaiv yog qhov tseem ceeb.

Fiber optic splice kaw muaj ntau yam zoo uas txhim khu kev ntseeg tau thiab kev ua tau zoo ntawm cov tshuab network. Cov txiaj ntsig no ua kom ntseeg tau tias fiber ntau optic tes hauj lwm tseem muaj zog, txawm tias nyob hauv ib puag ncig nyuaj.


Fiber optic kaw ua lub luag haujlwm tseem ceeb hauv kev tswj hwm kev sib txuas hauv network los ntawm kev tiv thaiv cables thiab splices los ntawm ib puag ncig thiab kev hem thawj. Cov khoom zoo li 144F 1 hauv 8 tawm Vertical Heat-Shrink Fiber Optic Kaw showcase advanced engineering thiab cov txiaj ntsig zoo. Xaiv qhov raug kaw yuav tsum ntsuas hom, durability, thiab ib puag ncig compatibility. Kev saib xyuas tsis tu ncua thiab kev teeb tsa kom zoo ntxiv txhim kho lawv cov kev ua tau zoo thiab kev ua haujlwm ntev.

Cov txiaj ntsig Kev piav qhia
Kev tiv thaiv ib puag ncig yam Fiber optic kaw tiv thaiv cov khoom sib txuas ntawm cov dej noo, plua plav, thiab lwm yam teeb meem, ua kom muaj kev ncaj ncees hauv lub network.
Txo cov nqi tu Kev koom ua ke cov kev kaw no yooj yim rau kev daws teeb meem thiab kho cov txheej txheem, ua rau txo qis kev siv zog.
Txhim kho teeb liab kev ncaj ncees Qhov tsim ntawm fiber ntau optic splice kaw minimizes sab nraud cuam tshuam, txo cov teeb liab poob thiab tswj kev sib txuas ceev.

Kev nqis peev hauv cov khoom lag luam kaw zoo ua kom muaj txiaj ntsig zoo thiab muaj txiaj ntsig zoo network kev ua haujlwm rau xyoo tom ntej.

FAQ

Dab tsi yog qhov lifespan ntawm fiber optic kaw?

Feem ntaufiber optic kaw, suav nrog 144F 1 hauv 8 tawm Vertical Heat-Shrink qauv, dhau 25 xyoo vim lawv cov khoom siv ruaj khov thiab kev tsim kho zoo.

Cov fiber ntau optic puas tuaj yeem rov siv tau tom qab kev kho?

Yog lawm, ntau qhov kaw, xws li 144F qauv, cov qauv tsim tshwj xeeb uas tso cai rau rov ua dua tom qab kev saib xyuas yam tsis muaj kev cuam tshuam lawv cov peev xwm tiv thaiv lossis kev ua haujlwm.

Yuav ua li cas fiber optic kaw tiv thaiv dej nkag?

Kev siv kawadvanced sealing txoj kev, xws li cua sov-shrink technology thiab high-quality gaskets, los tsim watertight enclosures uas tiv thaiv fibers los ntawm noo noo thiab dej puas.

Tswv yim: Kev tshuaj xyuas tsis tu ncua kom cov ntsaws ruaj ruaj ruaj ruaj, ua kom qhov kev tiv thaiv kev ua haujlwm zoo tshaj plaws.


Post lub sij hawm: Apr-01-2025
  • DOWELL
  • DOWELL2025-05-11 17:50:13
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