A.1% B.3% C.5%
A.0.2~1.0mm B.0.25~1.2mm C.0.3~1.0mm
A.立刻全線急停, B.立刻脫開(kāi)涂頭,并且全線急停 C.立刻脫開(kāi)涂頭,并提速空跑帶鋼