Qhov zoo ntawm qib phiaj

Qhov zoo ntawm lub hom phiaj boride ：

1. Yooj yim tswj ntawm txheej txheem tsis
   Koj tuaj yeem pom cov tebchaw no nyob sab laug
   Tsis tas yuav tsum tau sau nrog kev sib tw roj,
   Cov txheej txheem hloov pauv tau tsawg dua, thiab cov txheej txheem yooj yim los tswj.
   2. Xim ruaj khov
   Raws li qhia hauv daim duab sab laug, nrog ntws ntawm argon roj
   Cov xim ntawm daim nyias nyias hloov me me heev

   

IKS PVD tuam txhab, txheej tshuab zoo nkauj, cuab yeej txheej tshuab, kho qhov muag txheej mahcine, PVD nqus coting kab.Contact peb tam sim no, E-mail: iks.pvd@foxmail.com