A.0.15%~0.3% B.0.3%~0.6% C.0.9% D.以上說(shuō)法均不正確
A.0.1%~0.2% B.0.15%~0.3% C.0.3%~0.6% D.0.9%
A.黏膜表面麻醉 B.浸潤(rùn)麻醉 C.神經(jīng)傳導(dǎo)阻滯 D.硬膜外阻滯