供应钢材5J1017 5J1416 5J1070 5J0756 5J1306A 5J1306B特殊合
价格：260.00
20R16MnR15MnVR15MnVNR18MnMONbR15CrMoRU50204L20163L22153L27153A05189A63138A3015916MnDRL2017315MnNiDRL2815309Mn2VDA0109809MnNiDRL2809313532301200吕小姐)