名词
中文翻译：旋转的
同义词：
['rotating', 'rotating mechanism']
例句：
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1. Themachine has a rotary dial for adjusting the speed.
这台机器有一个旋转拨号用于调整速度。
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2. The rotary valveis used to control the flow of gases.
旋转阀用于控制气体的流量。
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3. Therotary saw is very useful for cuttingcurves and contours.
旋转锯非常适合切割曲线和轮廓。