短語詞組短語steel plate grade 鋼板等級(jí)steel quality grade 鋼材質(zhì)量等級(jí)indicatingmethod of steel product grade 鋼鐵產(chǎn)品牌號(hào)表示方法New Steel Grade List 新鋼種系列總結(jié)v steel grade v 鋼種pd steel grade pd3 鋼種q b steel grade q235b 鋼high steel grade 高鋼級(jí)X56 steel grade X56 鋼級(jí) 返回 steel grade