名词
中文翻译：活塞发动机
同义词：
['reciprocating engine', 'reciprocating internal combustion engine']
例句：
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1. The piston engine is responsible for the movement of the pistons.
活塞发动机负责活塞的运动。
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2. The piston engine is a type of internal combustion engine that uses pistons toconvert mechanical energy into heat and motion.
活塞发动机是一种内燃机，它使用活塞将机械能转化为热能和运动。
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3.The piston engine has a long history and has been used in various industries for many years.
活塞发动机拥有悠久的历史，多年来在各个行业都得到了广泛应用。