执行G76循环指令时,刀具以切削进给方式加工到孔底,主轴准停后刀具快速退至R平面。
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选出分数2/7的正确读法
A. two seven
B. two sevenths
C. second seven
D. second seventh
选出分数5/12的正确读法
A. five twelfth
B. five twelve
C. five twelfths
D. fifth twelve
选出分数3/8的正确读法
A. three eighths
B. third eight
C. three eighth
D. third eighths
选出35%的正确读法
A. three five percent
B. three five percents
C. thirty five percents
D. thirty five percent