drain valve
常见例句
- 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。 - If the drain valve regularly, according to the requirements of the open air consumption can be minimized.
倘若排水阀按要求定期开启，空气的消耗可以最大限度地降低。 - Drain valve must be vented to the safe position in the atmosphere, the torch duct or discharge the container.
放净阀必须放空到安全位置- 放到大气、火炬总管或排放容器中。 返回 drain valve