名词中文翻译
中文翻译：活塞环
同义词：
['cornered piston ring', 'cornered piston ring', 'cornered piston ring']
例句：
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1. The engine's performance was significantly improved after the oil seal was replaced.
更换了油封后，发动机的性能显著提高。
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2. The technician carefully inspected the cornered piston ring to ensure it was in good condition.
技术员仔细检查了被卡住的活塞环，确保它处于良好状态。
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3. The cornered piston ring is a critical component of the engine's sealing system.
被卡住的活塞环是发动机密封系统的关键部件。