SPHD SS41 SS330 SS400 SS490 S-Star GFA GOA GENA1 G-Star DAC DAC10 DAC45 DAC55 DEX20 DEX40 DEX60 DH21 DH31-S DH42 DH62 DHA DH2F DC11 DC53 DM FDAC YEM YEM-K YHD3 YHD27 YHD28 YHD45 YK30 YSS YXR3 YXR33 YXM1 YXM4HS6-5-2 HS6-5-2HC通用型高速钢