Thaum lub sij hawm hloov thiab kev thauj mus los ntawm cov kav hlau yas (nrog rau cov kav dej yas), kev tiv thaiv kom tsim nyog yuav tsum tau ua kom tsis txhob muaj kev puas tsuaj rau cov kav dej. Plastic-lined composite pipes yuav tsis ntsib teeb meem yog tias tsis muaj qhov pom tseeb ntawm pob, cuam tshuam, lossis raug rau huab cua hnyav.
Cov kev cai thauj mus los rau cov kav dej yas sib xyaw ua ke?
Nov 25, 2024
Xa kev nug
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