皮皮学，免费搜题
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搜题
【多选题】
主轴编码器的作用有( )A.
检测主轴转速
B.
控制准停
C.
控制主轴转速
D.
加工螺纹攻螺纹用
E.
控制主轴温度
拍照语音搜题，微信中搜索"皮皮学"使用
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A.
the first time
B.
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C.
at the first time
D.
at first
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