Lub kaw lus valve

Kev piav qhia

 Lub kaw lus valve 

Lub kaw lus kaw thaum muaj xwm txheej ceev kuj tseem hu ua kev nyab xeeb kaw-off valve,

uas txhais tau hais tias thaum muaj xwm txheej ceev,

lub valve yuav ceev ceev los yog qhib kom tsis txhob muaj xwm txheej.

Technical Specification