(Cov ntsiab lus piav qhia) Kev ceev faj rau kev teeb tsa thiab kev saib xyuas kev nyab xeeb li qub: Kev ceev faj rau kev teeb tsa thiab kev saib xyuas ntawm kev nyab xeeb li qub: (1) Lub valve tshiab tau teeb tsa kev nyab xeeb yuav tsum tau ua nrog daim ntawv pov thawj khoom tsim nyog, thiab nws m
Peb tau ua haujlwm nrog ntau lub tuam txhab, tab sis cov khoom thiab cov kev pabcuam muab los ntawm lub tuam txhab no tau txaus siab rau peb tshaj plaws.