单项选择题
生产G28的冲压生产线为多少吨级?可将误差控制在多少范围之内?()
A.万吨级,0.01mm
B.万吨级,0.02mm
C.千万吨级,0.02mm
D.千万吨级,0.01mm
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单项选择题
A.万吨级,0.01mm
B.万吨级,0.02mm
C.千万吨级,0.02mm
D.千万吨级,0.01mm
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