... air admission valve 进空气阀; 真空破坏阀 air back valve空气止回阀 air bleed valve 空气量孔阀 ...
双语例句
1
Here the air and water discharged from the return valve to the back entrance of the impeller.
在这里空气排出而水又从回流阀返回到叶轮入口。
2
As you then pull the stopper back out, you will hear air entering through the other valve.
正如你，然后拉回到塞子，您会听到空气进入，通过其他阀。
3
The body screw back into place, gently open the little front-end ball valve, using compressed air to the drainage system of impurities, water, oil draining;