名词
中文翻译：Unknown
同义词：
['revolving', 'rotating']
例句：
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1.The rotary valve is used to control the flow of gases.
旋转阀用于控制气体的流动。
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2.The rotary saw is a versatile tool for cutting wood.
旋转锯是切割木材的多功能工具。
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3. The rotary drill is used for drilling holes in metal.
旋转钻机用于在金属上钻孔。