A.自輪轂內側面算起向內75~185 B.自輪座后肩算起向內75~185 C.自輪轂內側面算起向內60~160 D.自輪座后肩算起向內60~160
A.3.88 B.4.28 C.5.35 D.5.45
A.40 B.50 C.60 D.70