bottom drain valve
常见例句
- Drain out 5 gallons of water from the drain valve at the bottom of the heater.
从热水器底部的排污阀排出大约5加仑的水。 - After turning off the gas or electricity open the drain valve at the tank bottom.
在关闭燃气或电源后可开启罐底的排水阀。 - 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.
排污阀的底部装有螺母保证密封不漏油，在外滤芯与排污阀间装有弹簧。
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