名词
中文翻译：膨胀阀
同义词：
['expansion valve', 'expansion control valve']
例句：
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1. The expanding valve is responsible for controlling the flow of gases in the engine.
膨胀阀负责控制发动机中气体的流量。
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2. In this case, the expanding valve was designed to prevent overheating.
在这种情况下，膨胀阀被设计成防止过热。
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3. The expanding valve is an essential component of the air conditioning system.
膨胀阀是空调系统的一个关键部件。