单项选择题
A.头颈部9% B.双上肢18% C.躯干含会阴27% D.双下肢46% E.双臀部5%
A.溃疡复发 B.反流性胃炎 C.应激性溃疡 D.残胃慢性胃炎 E.残胃癌
A.120° B.125° C.127° D.130° E.140°