-
Cov ntawv thov sib txawv rau ntau yam khoom siv sib xyaw ua ke
Cov foob pob hluav taws xob tuaj yeem daws tau ntau yam teeb meem ntawm kev sib khi. Nov yog ob peb yam uas qhia txog qhov ua tau ntau yam ntawm cov foob pob hluav taws xob thiab qhia vim li cas lawv thiaj li tseem ceeb hauv kev lag luam niaj hnub no. 1. Cov Tshuab Sib Tov Hmoov Qhuav Ob peb qhov teeb meem tshwm sim thaum siv cov hmoov qhuav. Qhov laj thawj tseem ceeb yog t...Nyeem ntxiv -
Cov foob pob hluav taws xob yog dab tsi?
Cov tshuab fais fab uas muaj lub qag tig, xws li cov twj tso kua mis thiab cov compressors, feem ntau hu ua "cov tshuab tig." Cov foob pob hluav taws xob yog ib hom kev ntim khoom ntsia rau ntawm lub qag xa hluav taws xob ntawm lub tshuab tig. Lawv siv rau hauv ntau yam kev siv xws li tsheb,...Nyeem ntxiv
