单项选择题
A.3~4mm B.4~5mm C.5~6mm D.6~7mm E.7~8mm
A.15~25mm B.5~8mm C.15~20mm D.20~25mm E.11~14mm
A.慢性纤维空洞型肺结核 B.慢性肺脓肿 C.自发性气胸 D.大叶性肺炎 E.支原体肺炎