多项选择题
A.Φ100H6/k5 B.Φ100M6/h5 C.Φ100JS7/h6 D.Φ100F9/h8
A.Φ100H7/k6 B.Φ100H6/m5 C.Φ100K7/h6 D.Φ100H9/f8
A.Q235 B.65Mn C.HT250 D.35SiMn