n. 瓣膜，阀门，电子管，真空管
例句与用法：
- Composed of a single valve or piece. Used of a shell.
单瓣的由单个瓣膜或部分组成的。用于壳 - The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- Have you turned off the water valve? 你关掉水阀了吗？
英英解释:
名词 valve:
- a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
- device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
- control consisting of a mechanical device for controlling the flow of a fluid
互动百科：
valve:
valve n. 阀, [英] 电子管, 真空管 英英解释:名词valve:1. a structure in a hollow organ (like the heart) with a flap... 详情
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