名词短语
中文翻译：机械式替换踏板
同义词：
['mechanical substitute', 'mechanical replacement']
例句：
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1. The new design incorporates a mechanical replacement treadle for improved efficiency.
新设计采用了机械式替换踏板，以提高效率。
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2. The old manual-operated lever was replaced with a mechanical replacement treadle in the factory.
工厂将旧的手动操作杠杆替换为机械式替换踏板。
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3.The engineer designed a new treadle that could be easily replaced with a mechanical replacement in case of wear and tear.
工程师设计了一种新的踏杆，可以在磨损和损坏时轻松替换成机械式替换踏杆。