名词短语
中文翻译：膨胀阀带先导阀
同义词：
['膨胀阀，膨胀节例句：1. This expansion valve is designed to control the flow of gases in a system.（这个膨胀阀设计用来控制系统中气体的流量。）']
例句：
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1. This expansion valve is designed to control the flow of gases in a system.
这个膨胀阀设计用来控制系统中气体的流量。
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2. The pilot valve is used to regulate the flow of oil in the engine.
先导阀用于调节发动机中油的流动。
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3.The expansion valve and pilot valve are essential components for maintaining proper temperature regulation in the engine.
膨胀阀和先导阀是发动机保持适当温度调节的关键部件。