名词
中文翻译：低太阳齿轮
同义词：
['low sun gear', 'low sun gearing']
例句：
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1.The old man was using a low sun gear to help him walk.
老人正在使用一个低太阳齿轮来帮助他走路。
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2. The car had a low sun gear that made it easier to start in the morning.
这辆车有一个低太阳齿轮，使得早上更容易启动。
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3.The engineer used a low sun gear to reduce the power needed for the machine.
工程师使用了一个低太阳齿轮来减少机器所需的功率。