steel & iron 钢铁
Steel & Iron Materials 钢和铁原料
Man Of Steel Iron Injustice 铁甲钢人
steel iron [冶] 炼钢生铁
Steel Casting iron 碳素钢铸件 ; 碳素钢
Fine Steel Casting iron 优质碳素钢 ; 优良碳素钢 ; 劣量碳荤钢 ; 上等碳素钢
Wuhan Iron and Steel 武汉钢铁 ; 武汉钢铁公司 ; 武汉钢铁集团
iron and steel industry [冶] 钢铁工业 ; 钢铁业 ; 钢铁产业 ; 钢铁行业
钢是由铁炼成的。
In 1920, the United States led the world in iron and steel manufacturing.
美国的钢铁制造业在1920年领先于世界。
International commerce was therefore dominated by raw materials, such as wheat, wood and iron ore, or processed commodities, such as meat and steel.
因此,国际贸易以原材料(如小麦、木材和铁矿石)和加工商品(如肉类和钢铁)为主。
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