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

Residents heard an enormous bang as a safety valve on the boiler failed.
由于锅炉的安全阀失效，居民们听到了砰的一声巨响。
He also has problems with a heart valve.
他的一个心瓣也有毛病。
Via the level control valve between the high-pressure separators and low-pressure equipment.
经高压分离器和低压设备之间的液位控制阀。
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。
The causes to troubles in120 valve emergency valves are analyzed, and measures for improvement are put forward.
分析了120阀紧急阀的故障原因，并提出了改进措施。
The port side is the vent valve and tubing, and the starboard side is the blow tube.
港口方面是发泄阀和油管，和右舷侧是打击管。
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。
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。
Recommended for O-rings, plastic tears and valve assemblies.
推荐的O形圈，塑料眼泪和阀组件。