- Cov lus qhia luv luv:
Ntsug hom cua siab fais manrast tshuab yog haum rau ntaub npuag qauv zas xim thiab
Kev kho cov lus qhia, thiab tshuaj xyuas zoo. Qhov no yog cov lus txhawb cov khoom uas nqus cov thev naus laus zis
los ntawm oversea thiab domestic, thiab zom, txhawb nws. Nws lub siab yog nyob ib ncig ntawm 0.03 ~ 0.6mpa
(0.3kg / cm2~ 6kg / cm2) Thiab tuaj yeem hloov kho, tus yob nyob twj ywm tuaj yeem hloov kho raws li
Qhov kev thov kev xav tau. Cov menyuam ua haujlwm saum npoo yog 420 hli, haum rau qhov me me npuag tshuaj xyuas.