Tsev> ua yeeb yam
Cov raj nqus tsev yog cov khoom siv tshwj xeeb uas pab tswj hluav taws xob. Lawv tau nrov heev yav dhau los, tshwj xeeb tshaj yog rau xov tooj cua thiab TV. Txawm tias peb siv transistors ntau dua niaj hnub no, cov raj nqus tsev tseem tuav lub luag haujlwm tseem ceeb hauv qee qhov chaw. Lawv tuaj yeem ua kom lub suab nrov hauv cov khoom siv suab paj nruag thiab ua haujlwm hauv qee lub amplifiers. Cov tuam txhab zoo li Esseniot ua rau muaj kev ntseeg siab tsev kho mob lub raj xa dej cov kev teeb tsa uas cov neeg thiab cov lag luam tuaj yeem cia siab rau. Thiab cov kab ke no tsis yog rau cov khoom qub xwb; lawv tseem haum rau cov thev naus laus zis niaj hnub no rau cov haujlwm tshwj xeeb.
Yog li ntawd, kev nrhiav cov raj xa dej zoo uas muag lag luam wholesale tuaj yeem lom zem heev. Esseniot muaj ntau lub raj xa dej rau ntau yam kev xav tau sib txawv. Qhov zoo tshaj plaws yog nrhiav hauv online ua ntej, vim tias cov chaw rau cov khoom siv hluav taws xob feem ntau muaj cov nqi luv nqi. Koj yuav tau txais luv nqi rau kev yuav ntau. Qhov ntawd txhais tau tias txuag tau nyiaj yog tias yuav ntau ntau ib zaug. Cov kev nthuav qhia kev lag luam kuj yog lwm qhov chaw zoo thiab. Nyob ntawd koj ntsib cov neeg tsim khoom, nug cov khoom ncaj qha, saib cov khoom ze thiab mloog lawv. Cov khw muag khoom hauv zos qee zaum muaj cov raj xa dej, yog li nug txog kev lag luam wholesale thaum mus ntsib. Ib txwm sib piv cov nqi nyob ib puag ncig. Nyeem cov kev tshuaj xyuas thiab, vim tias cov lus tawm tswv yim qhia txog qhov zoo. Cov tuam txhab muaj kev muag khoom qee zaum, saib xyuas. Hu rau lossis xa email rau cov neeg muab khoom kom tau txais cov nqi zoo dua - lawv yuav txiav tus nqi yog tias nug. Tshawb xyuas qhov lav ua ntej yuav, yog li yog tias muaj teeb meem, nrhiav kev kho.
Thaum nrhiav cov tshuab nqus tsev rau kev lag luam, saib xyuas qee yam tseem ceeb. Ua ntej, xav txog seb koj xav tau lawv rau dab tsi. Kev siv sib txawv xav tau cov raj sib txawv. Zoo li, qee qhov zoo dua rau cov khoom siv suab, lwm qhov rau xov tooj cua. Qhov zoo tseem ceeb heev. Xav kom cov raj ua tau zoo thiab kav ntev. Saib seb lub tuam txhab zoo li Esseniot puas muaj lub npe zoo, txuag tau los ntawm cov khoom tsis zoo uas tawg sai. Tom ntej no, xyuas cov lus qhia - lub zog thiab qhov loj me pab xaiv qhov yog. Yog tias tsis paub meej, nug cov kws tshaj lij; lawv coj koj. Tus nqi kuj yog qhov ntse los xav. Tau txais qhov zoo tab sis tsis txhob them ntau dhau. Piv cov neeg muag khoom rau cov khoom lag luam. Thiab kev txhawb nqa tom qab yuav yog qhov tseem ceeb. Qee lub tuam txhab muab kev pabcuam zoo yog tias muaj teeb meem tuaj. Xaiv ib qho uas pab tau. siv lub tshuab pneumatic tube system, yog li ntawd kev lag luam thiaj li khiav tau zoo.
Cov tshuab nqus tsev tam sim no tau nrov hauv kev lag luam. Lawv siv rau hauv cov tshuab vim ua haujlwm zoo heev. Ib qho laj thawj yog lawv tswj hwm ntau lub zog. Cov chaw tsim khoom xav tau kev khiav lag luam du thiab muaj kev nyab xeeb, thiab cov raj pab qhov ntawd. Lawv tswj hwm kev ntws hluav taws xob zoo, ua rau cov tshuab ua haujlwm tau zoo - tsawg dua kev siv hluav taws xob, txuag nyiaj thiab zoo rau lub ntiaj teb.
Tsis tas li ntawd xwb, cov raj no kav ntev heev. Tsis zoo li lwm yam khoom, lawv tsis yooj yim tawg. Qhov no yog qhov tseem ceeb rau kev lag luam uas khiav tshuab txhua hnub. Kev puas tsuaj kim heev los kho. Yog li, cov raj tiv thaiv qhov ntawd, xaiv ntse.
Ntxiv mus, cov raj ua haujlwm nyob rau hauv qhov chaw nyuaj. Zoo li kev khawb av lossis roj, nrog rau cov hmoov av kub ntub. Cov khoom ib txwm ua tsis tiav nyob ntawd, tab sis cov raj tswj tau nws. Esseniot cua tube system tsim cov raj rau kev xav tau ntawm kev lag luam. Nrog peb cov thev naus laus zis, cov tuam txhab txhim kho cov khoom tsim tawm thiab cov tshuab siv tau ntev.
Muaj ntau tus neeg nkag siab yuam kev txog cov tshuab nqus tsev vacuum tube. Ib qho loj yog lawv qub thiab phem dua li cov thev naus laus zis tshiab. Muaj tseeb tiag tsev kho mob tube system nyob ib puag ncig ntev, tab sis tseem muaj txiaj ntsig niaj hnub no. Cov lag luam pom tias lawv yeej cov tshiab hauv qee qhov chaw, xws li kev tswj hwm hluav taws xob siab zoo dua.
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