名词
中文翻译：活塞环磨损
同义词：
['piston ring wear', 'piston ring wearout', 'piston ring wear-out']
例句：
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1. Theengine is showing signs of piston ring wear.
发动机出现了活塞环磨损的迹象。
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2.The mechanic checked the cylinder head and found that the piston ring wear was excessive.
机械师检查了气缸头，发现活塞环磨损过多。
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3. To prevent piston ring wear, it's important to regularly clean and lubricate the engine.
为了预防活塞环磨损，定期清洁和润滑发动机是很重要的。