A.1/3-2/3 B.1/3-3/4 C.1/2-2/3 D.1/2-3/4
A.1.0-1.25 B.1.5-2.0 C.2.2-2.5 D.2.7-3.0
A.46#汽轮机油 B.150#齿轮油 C.460#齿轮油 D.220#齿轮油