名词
中文翻译：曲柄轮
同义词：
['notch gear', 'notch wheel', 'notched wheel']
例句：
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1.The car's engine is a notch wheel that makes it run smoothly.
这辆车的引擎是一个曲柄轮，使它运行顺畅。
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2. The notch wheel on the saw blade helps to cut through wood more easily.
锯片上的曲柄轮有助于更容易地切割木材。
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3. The engineer used a notch wheel to adjust the angle of the cutting edge.
工程师使用一个曲柄轮来调整切削边缘的角度。