valve中文什么意思

n.
1.【机械工程】阀，活门，舌门；汽门。
2.【解剖学；动物学】瓣，瓣膜；(贝)壳瓣；【植物；植物学】荚片；(藻的)瓣；(果实的)裂片。
3.【建筑】门的一扇。
+更多解释...4.〔英国〕【无线电】电子管，真空管。
短语和例子
a change valve 三通阀。 an exhaust valve排气阀。 a pulmonary valve【解剖学】肺动脉瓣。 a safety valve安全阀，保险阀。adj.
-d
有阀[瓣等]的。adj.
-less
无阀[瓣等]的。n.
-let
小阀[瓣等]。

• it valve:    缝隙阀
• t-valve:    三通阀
• valve no:    阀门号

例句与用法

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1. All that is required is a valve .
   全部所需的就只是一个活门。
2. The connecting rod may drive a valve stem directly .
   连杆可以直接带动阀门的把柄。
3. A pump uses valves and pistons .
   泵使用阀和活塞。
4. Cars began using caps that incorporated two valves .
   汽车开始使用装有两个阀门的油箱盖。
5. The valve lifter, a round cylinder, rides on the cam .
   气门挺杆为一圆筒体，坐落在凸轮上。

英文释义

名词

1. one of the paired hinged shells of certain molluscs and of brachiopods
2. the entire one-piece shell of a snail and certain other molluscs
3. control consisting of a mechanical device for controlling the flow of a fluid
4. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
5. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it