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

All valve seats and seat discs shall be replaceable.
所有阀门阀座和阀座阀瓣应该是可更换的。
Open the reducing valve of helium steel cylinder and the monoblock pump of the molecular pump group.
开启氦气钢瓶的减压阀和分子泵组的直联泵。
One of the long-lasting effects of the infection is damage to a valve in the heart
感染的其中一个长期后果是使心脏瓣膜受损。
The wastewater samples is transmitted by an air-operated aspirator to the liquid injection valve.
用气动吸引器将废水试样送入液体注射阀。
Continuously Variable Valve Actuation system.
连续可变气门驱动系统。
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。
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。
He replaced a dud valve.
他换掉了坏阀门。
Servo valves consists of feedback-electric-hydraulic servo valve and position feedback servo valves.
伺服阀主要分为力反馈式电液伺服阀和位置反馈式伺服阀。
Recommended for O-rings, plastic tears and valve assemblies.
推荐的O形圈，塑料眼泪和阀组件。