Cov teeb meem dab tsi yuav tsum tau them nyiaj rau thaum siv cov kav dej kauv?
Jan 04, 2022
Kauv ducts tsis tuaj yeem muab tso ncaj qha rau ntawm pob zeb lossis pob zeb hauv paus txaj. Vim tias qhov kev txhawb nqa nruj dhau lawm, lawv yuav tsis tsuas yog txo qhov ua tau zoo ntawm cov yeeb nkab phab ntsa nws tus kheej, tab sis kuj txo cov peev txheej thauj khoom ntawm lub culvert. Yog li ntawd, ib feem ntawm cov pob zeb mos yuav tsum tau khawb los ntawm lub hauv paus pob zeb thiab ua tib zoo compacted.
Cov ducts cua thiab kauv ducts, lawv yog tag nrho cov cua ducts, thiab kauv ducts yog ib qho ntawm cov pa ducts, uas feem ntau siv. Yog li ntawd, rau peb, txawm li cas los xij, peb yuav tsum kawm thiab nkag siab tsis tu ncua. Tsuas yog tom qab ntawd peb tuaj yeem hloov kho rau ib qho kev paub thiab kev nkag siab ntawm cov khoom siv hauv lub vev xaib, thiab ua rau peb muaj kev nkag siab zoo hauv cheeb tsam no.
