通用汽车钢 GMW2M-ST-S-CR1-HD40G40G-U GMW2M-ST-S-CR2-HD40G40G-U GMW2M-ST-S-CR3-HD40G40G-U GMW2M-ST-S-CR4-HD40G40G-U GMW2M-ST-S-CR5-HD40G40G-U GMW2M-ST-S-CR1-HD40G40G-U GMW2M-ST-S-CR1-HD90G90G-U GMW2M-ST-S-CR2-HD90G90G-U GMW2M-ST-S-CR3-HD90G90G-U GMW2M-ST-S-CR4-HD90G90G-U GMW2M-ST-S-CR5-HD90G90G-U GMW2M-ST-S-CR1-HD60G60G-U GMW2M-ST-S-CR2-HD60G60G-U GMW2M-ST-S-CR3-HD60G60G-U GMW2M-ST-S-CR4-HD60G60G-U GMW2M-ST-S-CR5-HD60G60G-U GMW2M-ST-S-CR1-HD70G70G-U GMW2M-ST-S-CR2-HD70G70G-U， GMW2M-ST-S-CR3-HD70G70G-U GMW2M-ST-S-CR4-HD70G70G-U ， GMW2M-ST-S-CR5-HD70G70G-U GMW3032M-ST-S-270LA-HD60G60G-U， GMW3032M-ST-S-CR180B2-HD60G60G-U， GMW3032M-ST-S-210P-HD60G60G-U GMW3032M-ST-S-CR180IF-HD60G60G-U GMW3032M-ST-S-CR210IF-HD60G60G-U GMW3032M-ST-S-CR240IF-HD60G60G-U GMW3032M-ST-S-CR180B2-HD60G60G-U GMW3032M-ST-S-CR210B2-HD60G60G-U GMW3032M-ST-S-CR270B2-HD60G60G-U GMW3032M-ST-S-CR300B2-HD60G60G-U GMW3032M-ST-S-CR270LA-HD60G60G-U GMW3032M-ST-S-CR300LA-HD60G60G-U GMW3032M-ST-S-HR340LA-HD60G60G-U GMW3032M-ST-S-CR340LA-HD60G60G-U GMW3032M-ST-S-CR380LA-HD60G60G-U GMW3032M-ST-S-CR420LA-HD60G60G-U GMW3032M-ST-S-HR420LA-HD60G60G-U GMW3032M-ST-S-HR550LA-HD60G60G-U GMW3032M-ST-S-CR180IF-HD70G70G-U GMW3032M-ST-S-CR210IF-HD70G70G-U GMW3032M-ST-S-CR240IF-HD70G70G-U GMW3032M-ST-S-CR180B2-HD70G70G-U GMW3032M-ST-S-CR210B2-HD70G70G-U GMW3032M-ST-S-CR270B2-HD70G70G-U GMW3032M-ST-S-CR300B2-HD70G70G-U