名词
中文翻译：节流阀
同义词：
['throttle valve', 'throttlingvalve']
例句：
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1. The choke valve is used to control the flowof gas through a pipe.
节流阀用于控制气体通过管道的流动。
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2. The throttle valve is responsible for adjusting theairflow in an engine.
节流阀负责调整发动机中的气流。
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3. The throttling valve is designedto prevent overheating ofthe engine.
节流阀设计用来防止发动机过热。