名词中文翻译
中文翻译：活塞环端
同义词：
['piston ring end', 'piston ring end']
例句：
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1. The engine's piston ringsare worn out, causing the engine tooverheat.
发动机的活塞环磨损了，导致发动机过热。
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2. The technician replaced thepiston rings and cleaned the cylinder head.
技师更换了活塞环并清洁了气缸头。
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3. The piston rings were designedto prevent oil from leaking into thecylinder.
活塞环的设计是为了防止油泄漏到气缸中。