阀门 的中文句子和英文句子

我们需要一个有眼螺栓来固定这个阀门。

We need an eye bolt to fit this valve.


阀门挺杆通过凸轮转动的杆，用来操纵内燃机的阀门

A rod moved by a cam to operate the valves in an internal-combustion engine.