Txoj kev sib npaug tau ua tiav thaum cov kem yog cov ntoo uas tawg tau tag nrho thiab zoo nkaus li tawg. Feem ntau qhov no tuaj yeem ua tau nyob rau hauv flushing 2 ~ 3 CVs ntawm mobile theem. Thaum lub sij hawm kev sib txig sib luag, qee zaum peb yuav pom tias seem tsis tuaj yeem ua kom tiav. Qhov no yog qhov tshwm sim ib txwm thiab yuav tsis muaj kev sib cais kev sib cais.
Lub Sijhawm Post: Jul-13-2022