名词
中文翻译：活门
同义词：
['活门，活栓，活阀，活门开关，活门装置例句：1. The car has a cartridge valve in the engine', 'which allows it to run smoothly.（这辆车在发动机里有活门，使得它能够顺畅运行。）']
例句：
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1. The car has a cartridge valve in the engine, which allows it to run smoothly.
这辆车在发动机里有活门，使得它能够顺畅运行。
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2. The engineer replaced the old cartridge valve with a new one for better performance.
工程师用一个新的来替换旧的，以获得更好的性能。
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3.The valve is designed to control the flow of gases through the pipeline.
这个阀门被设计用来控制气体通过管道的流量。