名词
中文翻译：螺旋齿轮
同义词：
['helical gear', 'helical toothed wheel']
例句：
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1.The helical pinion is used to drive the machine's motor.
螺旋齿轮用于驱动机器的电机。
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2. The helical pinion is a crucial component of the transmission system.
螺旋齿轮是传动系统的关键部件。
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3.The helical pinion was designed to improve the efficiency of the gearbox.
螺旋齿轮被设计来提高齿轮箱的效率。