名词中文翻译
中文翻译：曲柄延伸
同义词：
['Pedal extension', 'Peddle extension']
例句：
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1.The car's engine has a crank extension that allows for easy adjustment ofthe gear ratio.
这辆车的引擎有一个曲柄延伸，可以轻松调整齿轮比。
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2. Thebike has a long crank extension thatmakes it easier to pedal uphill.
这辆自行车有一个很长的曲柄延伸，使得上坡骑行更加容易。
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3. The toolbox contains various crank extensions that canbe used to adjust the length of thehandlebars.
工具箱里有多种曲柄延伸，可以用来调整把手的长度。