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Txoj moo

Hauv 2002, sab hnub tuaj ntawm txoj haujlwm sab qab teb-rau-sab qab teb dej tau raug hloov mus rau 14,8 billion cubic meters hauv ib xyoos tom qab ua tiav. Raws li cov phiaj xwm kev sib tshooj tag nrho, qhov kawg ua rau cov dej ua kom dej nyob sab qab teb yog 44,8 billion cubic meters ntawm nruab nrab kab, thiab 17 billion cubic metres ntawm sab hnub poob ntawm sab hnub poob. Lub sijhawm tsim kho yuav siv li 40 txog 50 xyoo. Tom qab lub phiaj xwm tiav lawm, nws yuav tsim cov chaw nres tsheb loj tshaj plaws hauv ntiaj teb.

Sab qab teb-rau-North Dej kev sib tw ua haujlwm diverts dej los ntawm sab qab teb mus rau sab qaum teb. Nws hloov chaw los ntawm kev txo qis rau siab dua. Yuav kom kov yeej kev cuam tshuam ntawm kev sib tsoo, nws yog ib qho tsim nyog los siv qee yam xws li cov twj tso kua mis. Txhawm rau kom ua tiav qhov chaw hloov dej hauv kaum ntawm kaum lab ntawm cov cubic meters, nws yuav siv ntau ntau lub twj siv?

Txoj haujlwm sab qab teb-rau-North Dej kev sib txawv tau muab faib ua peb kab, sab hnub tuaj thiab sab hnub poob. Lub phiaj xwm kab sab hnub tuaj yog kos los ntawm qis dua ntawm Yangtze River thiab thauj los ntawm Beijing-Hangzhou Grand Canal. Tag nrho cov dej twj tso rau hauv kab no tau mus txog 51: thawj theem ntawm txoj haujlwm hauv xyoo 2014. Muaj ntau yuav tau ua hauv theem thib peb

 REITE TSO KUA TSUM1

Cov twj cua daj cua dub loj npaum li cas?

Nws tau tshaj tawm tias cov taub dej me me tshaj plaws yog hais txog ib meter lub taub dej, thiab cov khoom ntim dej siab, uas yog txhais tau tias cov haujlwm muaj feem cuam tshuam yog qhov nyuaj heev.

Rau nruab nrab kab project, pib lub ntsiab lus ntawm nruab nrab kab yog DANJiangkou pas dej siab dua Beijing, thiab cov dej tuaj yeem ntws los ntawm nws tus kheej los ntawm kev sib tsoo.

Qhov nyuaj tshaj ntawm peb kab yog West Kab West txoj haujlwm, uas yog los ywg cov chaw arid nyob rau sab hnub poob thiab sab qaum teb los ntawm diverting dej los ntawm tus dej dej. Cov xwm txheej nyob rau sab hnub poob yog feem ntau nyhav, thiab nws yog qhov nyuaj heev ua haujlwm. Hmoov zoo, qhov siab ntawm sab hnub poob yog qhov tseem ceeb, yog li nws yooj yim rau cov dej tso kua dej, tab sis nws nyuaj rau nteg dej.

Hloov Way

Kev xaiv cov twj tso kua mis yog qhov tseem ceeb tshaj plaws thiab tseem ceeb hauv "kev kawm kawm theem" ​​ntawm cov chaw nres tsheb tsim. Seb cov dej twj tso kua dej yog qhov tsim nyog lossis tsis cuam tshuam nrog kev nyab xeeb ntawm lub taub hau kev nyab xeeb, thiab muaj feem xyuam rau kev teeb tsa, txij nkawm, thiab kev nqis peev, thiab kev ua haujlwm.

Kev xaiv cov twj tso kua dej suav nrog kev txiav txim siab ntawm cov kev tsim kho, tab sis kev ua kom pom tseeb yog ntawm kev sib piv thiab xaiv cov yam ntxwv hydraulic. Los ntawm kev sib raug zoo ua lej, tuav cov yam ntxwv ntawm cov twj tso kua mis thiab cov roj ua twj ua haujlwm tseem ceeb ntawm cov twj tso kua mis uas twb muaj lawm, uas yog qhov tseem ceeb rau kev nce peev ntau. Kev tso twj tso kua mis, ntws channels thiab twj tso kua mis tseem ceeb heev. Lub cuab yeej twj tso kua mis yog qhov txuas ntxiv ntawm cov twj tso kua dej, thiab nws yog lub twj tso kua dej dav dav ". Nws yog ib qho tsim nyog los tuav cov yam ntxwv ntawm cov kev lom zem thiab cov twj tso kua mis los ntawm kev sib raug zoo ua lej, thiab ua kom muaj kev xaiv tsim nyog.

 Chaw nres twj tso kua mis

R tsev tso dej muaj cov tshuab ua haujlwm pab kom koj xaiv cov twj tso rau koj daim ntawv thov.

Zoo siab txais hu rau:

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Lub Sijhawm Post: Mar-08-2023