气阀的英文：
air valve
air cock

参考例句：

In cold weather pull the choke out half-way, and let the engine warm up, before you move off.
在寒冷天气发动汽车前要拉开一半节气阀，并让发动机预热。

The throttle valve adjuster was replaced.
更换了节气阀调节器。

LIGHT-DUTY COMMERCIAL GAS NON-DAMPERED WATER HEATER
轻型商用燃气热水器(无节气阀)

The solenoid plunger pulls the vent valve down, blocking off the passage to the charcoal canister
电磁柱塞拉下通气阀，堵住通向活性碳罐的通路。

A small valve or faucet used to drain or reduce pressure, as from a boiler.
泄气阀，小龙头用来排空或降低压力的一种小阀门或小龙头，如锅炉上的

air是什么意思：
n. 空气；大气；天空；空间；微风；样子；神态；气氛
v. 晾；通风；广播

There was not a breath in the air.
一丝风也没有。

a nip in the air
空气中有一种刺肤的寒冷

To fish in the air
海底捞月

valve是什么意思：
n. 阀门；瓣膜；真空管
v. 装阀于；以活门调节

Valve Disadvantages: The valve is difficult to close and requires the operator to double close the valve.
阀门的缺点:阀门难以关闭，要求操作者二次关闭阀门。

pilot valve governor
带伺服电动机的调节器辅助调速器

The valve has jammed shut.
阀门给卡住了打不开。

cock是什么意思：
n. 公鸡；雄鸟；龙头
v. （使）竖起，翘起

the cock of the school
学生中的头目；最横行霸道的学生

The cock is crowing.
这只公鸡正在啼鸣。

This is a cock pheasant.
这是只雄雉。