名词短语
中文翻译：脚踏式运动机内部
同义词：
['treadle motor', 'inside treadle mechanism']
例句：
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1.The inside treadle motion of the car is a crucial part of the engine's operation.
汽车的脚踏式运动机内部是发动机运作的关键部分。
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2.The engineer was able to identify the inside treadle motion of the machine and fix the issue.
工程师能够识别出机器的脚踏式运动机内部问题并解决了它。
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3.The inside treadle motion of the transmission system is essential for efficient gear shifting.
传动系统内部的脚踏式运动机对于高效的齿轮换挡至关重要。