Kev ua haujlwm ntawm qhov tawg-pov thawj hlws ris lub thawv: nws yog siv los txuas cov kav dej nrog cov khoom siv lossis cov khoom siv, thiab muaj cov khoom tawg-pov thawj ntawm cov khoom siv.(Kev tawg-pov thawj lub thawv tuaj yeem yog Exe ntau hom kev nyab xeeb lossis Exd flameproof hom, nyob ntawm qhov yuav tsum tau muaj, tsis muaj kev txwv rau tus qauv siv)
Lub thawv tawg-pov thawj hleb yog ib qho khoom siv hluav taws xob tshwj xeeb uas siv rau hauv ntau qhov chaw muaj kev pheej hmoo siab.Piv nrog rau cov thawv rau pej xeem sib txuas, nws yog lub thawv hluav taws xob faib hluav taws xob nrog lub zog tawg-pov thawj uas tau hloov pauv los ntawm ntau yam kev tawg-pov thawj.Sab hauv ntawm lub thawv feem ntau muaj lub davhlau ya nyob twg thaiv rau kev xaim lossis lub davhlau ya nyob twg tsis muaj lub davhlau ya nyob twg tab sis nrog lub tshuab hloov pauv.
Post lub sij hawm: Nov-27-2019