gas check valve 中文意思是什麼
gas check valve
解釋
閉氣閥-
Exhaust gas passage with variable pressure : it is adopted to prevent foul air from toilet and kitchen ; check valve is added at the joint
變壓式排風:為防止衛生間、廚房排風井內的污風反竄到室內,排風道採用了變壓式排氣道,並在封到介面處增設了止回閥。 -
Egc exhaust gas check valve
排氣檢查閥
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