名词
中文翻译：阀体
同义词：
['valve stem', 'stem valve', 'stem body例句：1. The valve stem is responsible for controlling the flow of gases through the pipe.（阀体负责控制气体通过管道的流动。）2. The stem valve is used to prevent air from entering the engine during startup.（阀芯用于防止在启动时空气进入发动机。）3. The stem valve was replaced due to wear and tear after several years of use.（由于使用多年后磨损，需要更换阀芯。）']
例句：
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1. The valve stem is responsible for controlling the flow of gases through the pipe.
阀体负责控制气体通过管道的流动。
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2. The stem valve is used to prevent air from entering the engine during startup.
阀芯用于防止在启动时空气进入发动机。
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3. The stem valve was replaced due to wear and tear after several years of use.
由于使用多年后磨损，需要更换阀芯。