A.LC B.LLC C.1-2Hk
A.1120~1150 B.1210~1250 C.1210~1510
A.輪箍弛緩線不清楚 B.輪箍踏面嚴(yán)重剝離 C.輪箍與輪輞之間沿圓周出現(xiàn)透油