drain valve
常見例句
- After turning off the gas or electricity open the drain valve at the tank bottom.
在關(guān)閉燃氣或電源后可開啟罐底的排水閥。 - If the drain valve regularly, according to the requirements of the open air consumption can be minimized.
倘若排水閥按要求定期開啟，空氣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.
放凈閥必須放空到安全位置- 放到大氣、火炬總管或排放容器中。 返回 drain valve