A.40%~45% B.35%~40% C.30%~35% D.45%~50% E.>60%
A.9% B.5% C.15% D.10% E.3%
A.焦痂約3周開始分離 B.多不形成水皰 C.多有蜘蛛網(wǎng)狀細小而密集的栓塞血管 D.痛覺喪失 E.留有瘢痕