electric steel电工钢,电炉钢 high-speed steel高速钢 moulded steel铸钢 refractory steel热强钢,耐热钢 alloy steel合金钢 plate, sheet薄板 corrugated iron瓦垅薄钢板 tinplate, tin马口铁 finished product成品,产品 semifinished product半成品,中间产品 ferrous products铁制品 coiled sheet带状薄板 bloom初轧方坯 met...