名词
中文翻译：水冷活塞
同义词：
['water-cooled cylinder', 'water-cooled piston rod', 'water-cooled piston ring']
例句：
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1. Theengine uses a water-cooled piston to dissipate heat.
这台发动机使用水冷活塞来散热。
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2.The new piston design significantly improved the performance of the engine.
新的活塞设计显著提高了发动机的性能。
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3. The piston rings are designed to prevent oil from leaking out during operation.
活塞环的设计是为了防止在运行过程中油泄漏。