Cov roj muaj twb tau muab tua tag lawm, Tiam sis tseem yog ib tug tsw ntxhiab

Yuav tsum muaj ib tug hnov tsw persist txawm tias tom qab cov roj yog kaw tawm, Nws yuav qhia ib leak.

Ib detectable odor nyob ze cov roj switch feem ntau ntsiab lus rau ib leakage ntawm lub valve los yog cov roj hmab junction ntawm cov roj pipe. Nws pom zoo kom hloov cov roj valve hauv tej instances.

Kuj, Yog hais tias cov roj hmab tshwm twg uas muaj rov, hloov nws lub sij hawm tseem ceeb heev. Raws li tej yam tshwm sim, Cov roj cylinder nws tus kheej yog feem ntau tsis qhov no thiab feem ntau yuav tau luv nqi.