节流阀的英文：
throttle

The throttle of an engine,as of an automobile.
油门，风门汽车等发动机上的节流阀

The latter may be used with bypass or throttling valves in the tower water pipework circuit
近来，可采用在冷却塔的水管系统中设置旁通阀或节流阀。

I revved the plane to get the attention of the geese, hit the throttle and was airborne in less than 30 metres.
为了吸引雁群的注意力，我启动了飞行器并加快转速，用力拍打节流阀，在30米内就起飞了。

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

The criminal throttled the watchman and robbed the bank.
那罪犯勒死了守卫人员，抢了银行。

Accused the government of throttling the freedom of the press
谴责政府扼杀新闻自由.

The tyrant throttled freedom in his country.
那暴君在国内压制自由。

You have to push the throttle forward for more power.
你得把油门杆往前推来加大马力。