直线与圆弧切削属多轴同时控制,若X、Y轴进给率分别为40㎜/min、30㎜/min,则进给率为。
A. 30㎜/min;
B. 40㎜/min;
C. 50㎜/min;
D. 60㎜/min。
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刀具位置补偿包括()和() 。
A. 长度补偿
B. 半径补偿
C. 宽度补偿
D. 直径补偿
Alexander M. Schindler was a German born in 1925.
A. 对
B. 错
According to the video, Chinese parents are willing to sacrifice everything for their children.
A. 对
B. 错
The western parents think they are not only thetrusteeof their children, but also their creator.
A. 对
B. 错
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