A.前上縱隔 B.前縱隔 C.后縱隔 D.前下縱隔 E.中縱隔
A.-5~-10mmH2O B.5~10mmH2O C.-10~-15mmH2O D.5~-10mmH2O E.5~10mmH2O
A.6倍 B.12倍 C.15倍 D.18倍 E.20倍