“阀”造句

一些结构由两件式阀盖和轭架组成.
Some designs incorporate a two - piece bonnet and yoke.

我们需要存下200英镑以备更换水泵阀。
Well we need to put by £200 for the pump valves to be renewed.

把PCV阀固定在开启位置即最大流量位置.
The PCV valve sticks in the open, maximum - flow position.