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.潤滑不足。潤滑劑溫度過高 B.潤滑劑飛濺 C.模具磨損 D.堆線場地不清潔,手套油污沾線材