A.99.5% B.99.7% C.99.9%
A.1.5 B.1.4 C.1.6 D.2.0
A.62.0%IACS B.62.5%IACS C.63.0%IACS D.63.5%IACS
A.润滑不足。润滑剂温度过高 B.润滑剂飞溅 C.模具磨损 D.堆线场地不清洁,手套油污沾线材