A.2350r/min B.2400r/min C.960r/min D.1200r/min
A.AO2-90S-6-B34 B.Y90S-6-B35 C.Y90S-7-B35 D.AO2-90S-7-B35
A.8.5MPa B.9MPa C.10~11MPa D.12MPa