名词中文翻译
中文翻译：旋转活塞
同义词：
['rotating piston', 'rotating cylinder例句：1. The rotary piston is the heart of the engine.（旋转活塞是引擎的核心。）']
例句：
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1. The rotary piston is the heart of the engine.
旋转活塞是引擎的核心。
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2. In the old days, rotary pistons were used in steam engines.
在旧时代，旋转活塞被用于蒸汽引擎中。
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3.The engineer designed a new rotary piston that could reduce friction and improve efficiency.
工程师设计了一种新型的旋转活塞，可以降低摩擦并提高效率。