单项选择题
A.0.5% B.0.8% C.1% D.1.25% E.1.5%
A.9% B.13% C.21% D.17% E.5%
A.痛觉迟钝 B.有焦痂形成 C.有网状栓塞血管 D.留有瘢痕 E.以上都是