名词中文翻译
中文翻译：活塞
同义词：
['piston', 'cylinder', 'rod', 'plunger']
例句：
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1.The car's engine needs to be serviced regularly to keep the pistons in good condition.
汽车的发动机需要定期维护，以保持活塞良好状态。
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2.The mechanic replaced the worn pistons with new ones.
机械师用新的活塞替换了磨损的活塞。
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3. The engineer designed a new piston that would reduce friction and improve efficiency.
工程师设计了一种新活塞，以减少摩擦并提高效率。