valve

英 [vælv]

美 [vælv]

n. 阀; 阀门; 活门; 气门; (心脏或血管的)瓣(膜); (铜管乐器的)阀键，活塞
vt. 装阀于; 以活门调节

复数：valves　过去分词：valved　

Collins.2 / BNC.5127 / COCA.5952

牛津词典

noun

阀；阀门；活门；气门
a device for controlling the flow of a liquid or gas, letting it move in one direction only
（心脏或血管的）瓣（膜）
a structure in the heart or in a vein that lets blood flow in one direction only
（铜管乐器的）阀键，活塞
a device in some brass musical instruments for changing the note

阀;活门
Avalveis a device attached to a pipe or a tube which controls the flow of air or liquid through the pipe or tube.
N-COUNT （心脏的）瓣，瓣膜
Avalveis a small piece of tissue in your heart or in a vein which controls the flow of blood and keeps it flowing in one direction only.
1. He also has problems with a heart valve.
  他的一个心瓣也有毛病。
See also:safety valve

noun

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

However, certain aspects of installation and application can result in valve malfunctions.
但是，安装和应用的某些方面可能导致阀门发生故障。
Since the engine has no valves, it doesn't need any camshaft, valve lifters and so on.
因为发动机没有阀门，它不需要任何凸轮轴、起阀器等。
This valve is not recommended for steam service.
建议不要在蒸气管道系统中使用这种阀门。
In the AGC system, the AGC hydraulic cylinder is connected with AGC servo valve through the oil feeder.
在AGC系统中，AGC液压缸通过该供油装置与AGC伺服阀组相连。
Butterfly valves are commonly used for clip-on butterfly valve and two Flanged butterfly valve.
常用的蝶阀有对夹式蝶阀和法兰式蝶阀两种。
I plant the cartridge valve and reliable performance.
我厂生产的插装阀性能可靠。
Continuously Variable Valve Actuation system.
连续可变气门驱动系统。
The check valve and relief valve seats shall be push-in type.
这种止回阀和安全阀阀座应该是推入式的。
What is the difference expansion between turbine expander and valve throttle?
透平式膨胀机和节流阀之间的膨胀有什么不同。
The paper presented a BP-PID method to control electronic swell valve of system, then BP-PID controller was designed.
采用BP-PID控制器对系统电子膨胀阀开度进行控制，并设计了BP-PID控制器。