名词
中文翻译：圆锥形凸轮
同义词：
['conical cam', 'helical cam例句：1. The tangent cam is used to control the speed of the machine.（圆锥形凸轮用于控制机器的速度。）2. The helical cam is more precise than the conical cam.（螺旋凸轮比圆锥形凸轮更精确。）']
例句：
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1. The tangent cam is used to control the speed of the machine.
圆锥形凸轮用于控制机器的速度。
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2. The helical cam is more precise than the conical cam.
螺旋凸轮比圆锥形凸轮更精确。
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3.The conical cam is commonly used in car engines.
圆锥形凸轮在汽车发动机中常被使用。