A.上臂上1/3 B.上臂中上1/3 C.上臂中1/3 D.上臂中下1/3 E.上臂下1/3
A.9% B.12% C.15% D.18% E.21%
A.11%~12% B.3%~4% C.5%~6% D.7%~8% E.9%~10%