bottom drain valve
常见例句
- Drain out 5 gallons of water from the drain valve at the bottom of the heater.
從熱水器底部的排汙閥排出大約5加侖的水。 - After turning off the gas or electricity open the drain valve at the tank bottom.
在關閉燃氣或電源後可開啓罐底的排水閥。 - The bottom portion of the drain valve is equipped with nuts to guarantee well sealing without oil leakage, and the spring is installed between the outer filter element and the drain valve.
排汙閥的底部裝有螺母保証密封不漏油，在外濾芯與排汙閥間裝有彈簧。
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