Khoom siv rau tus neeg teb xov tooj khoov cov kav dej

Cov yeeb nkab dabtsi yog khoov kom tus neeg siv yuav tsum xaiv lub log tsheb sib txuas raws li txoj kab uas hla ntawm cov yeeb nkab dabtsi yog khoov hauv cov txheej txheem ntawm kev siv. Cov khoom siv nws tus kheej muaj peev xwm khoov, thiab corrosion ntawm nws cov tsos tuaj yeem cuam tshuam qhov zoo ntawm cov yeeb nkab dabtsi yog khoov rau qee yam. Hauv kev tsim kho, tus neeg teb xov tooj yuav tsum paub cov khoom siv ntawm cov yeeb nkab ua tiav.

Kev khav theeb zoo heev ntawm txoj haujlwm no

Peb cov khoom tau txais zoo thoob plaws lub ntiaj teb

Thov hu rau peb ntawm zhang@pride-cnc.com