单项选择题
A.0.1° B.0.2° C.0.05° D.0.5°
A.正弦插补 B.圆弧插补 C.抛物线插补
A.静压导轨 B.滚动导轨 C.滑动导轨
A.W/n B.n/W C.n/360° D.360°/n
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