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【多选题】
关于G71指令,(ABC)( )。A.
G71是内外圆粗加工复合循环指令
B.
使用G71指令可以简化编程
C.
G71指令是沿着平行于Z轴的方向进行切削循环加工的
D.
G71指令不能用于切削圆锥面和圆弧面
E.
G71可用于径向沟槽的切削加工
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