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[单选题]
Y3150E加工斜齿圆柱齿轮时,附加运动传动链两端的计算位移关系为:() When cutting helical gear on Y3150E, The calculated relation between the both ends of the additional motion transmission chain is .
A.刀架移动过被加工斜齿轮螺旋线导程 L(mm)——工件附加转动1(r)
B.滚刀1(r)——工件1/z(r)
C.刀架移动进给量 f(mm)——工件附加转动1(r)
D.工件(工作台)1(r)——刀架移动过被加工斜齿轮螺旋线导程 L(mm)
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