名词
中文翻译：活塞阀环
同义词：
['活塞环，气门环，阀门环例句：1. The piston valve ring is essential for maintaining the proper functioning of the engine.（活塞阀环对于保持发动机正常工作至关重要。）']
例句：
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1. The piston valve ring is essential for maintaining the proper functioning of the engine.
活塞阀环对于保持发动机正常工作至关重要。
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2.The piston valve ring was designed to prevent oil from leaking into the cylinder during operation.
活塞阀环设计用来在操作过程中防止油泄漏进入气缸。
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3.The piston valve ring has a critical role in reducing friction and preventing wear on the engine's internal components.
活塞阀环在减少摩擦和保护发动机内部部件免受磨损方面起着关键作用。