名词
中文翻译：活塞连杆机构同义词
同义词：
['piston and connecting rod mechanism', 'piston-connecting rod mechanism']
例句：
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1. The piston and connecting rod mechanism is crucial for the engine's efficiency.
活塞和连杆机构对于发动机的效率至关重要。
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2. In the piston and connecting rod mechanism, the piston moves up and down to power the engine.
在活塞连杆机构中，活塞上下运动来驱动发动机。
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3. The piston and connecting rod mechanism is responsible for converting the gas into mechanical energy.
活塞连杆机构负责将气体转化为机械能。