单项选择题
A.60~3.5mm B.45~3.1mm C.45~2.5mm D.60~4.2mm
A.60~4.0mm B.45~3.8mm C.60~4.8mm D.45~2.5mm
A.腋后线第8肋间 B.腋前线第8肋间 C.腋中线第8肋间 D.腋后线第3肋间