名词中文翻译
中文翻译：单钩活塞环
同义词：
['single hook piston ring', 'single-pointed piston ring']
例句：
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1. The engine's performance was greatly improved by the new single-hook piston ring.
新单钩活塞环极大地提高了发动机的性能。
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2.The engineer carefully inspected the single-hook piston ring before installing it.
工程师在安装之前仔细检查了单钩活塞环。
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3. Due to the wear and tear of the piston rings, they need to be replaced regularly.
由于活塞环的磨损，它们需要定期更换。