A. A.硫酸钠 B. B.硫酸钾 C. C.醋酸钠 D. D.醋酸甲
A. FEV/FVC<70%,RV/TLC>40% B. FEV/FVC<60%,RV/TLC<25% C. FEV/FVC>75%,RV/TLC<25% D. FEV/FVC<60%.RV/TLC>40%,FEV占预计值的90% E. FEV/FVC>75%,RV/TLC>40%