Tuam Tshoj Rooj vag Valve Yuav Qhia: Yuav ua li cas xaiv txoj cai Tuam Tshoj rooj vag valve
Tuam Tshoj rooj vag valve yog cov khoom siv tswj cov dej uas nquag siv, nws cov qauv yooj yim, zoo sealing thiab lwm yam zoo ua rau nws siv dav hauv roj av, tshuaj, metallurgy, hluav taws xob thiab lwm yam lag luam ntawm cov dej tswj kev lag luam. Thaum muas Suav rooj vag li qub, yam tsim nyog thiab cov lus qhia tshwj xeeb yuav tsum raug xaiv raws li cov kev ua haujlwm tshwj xeeb thiab kev siv. Qhov tsab xov xwm no yuav qhia koj yuav ua li cas xaiv qhov zoo Suav rooj vag valve los ntawm kev xav.