A.油膜 B.气膜 C.刮油 D.气密
A.28.03 B.20.93 C.50
A.255g/h B.195g/h C.150g/h D.105g/h
A.26 B.25.5 C.25 D.24
A.2.5~3kg/cm2 B.>2.5~3kg/cm2 C.<0.15kg/cm2 D.>0.15kg/cm2