Steel is ( ) iron A .different B .different than C .different from D.different that

Steel is ( ) iron A .different B .different than C .different from D.different that cast iron什么?Iron is converted to steel by removing most of the impurities present in cast iron. 英语翻译Steel is an alloy of iron and carbon with other elements added to produce specific properties.the various types of steel can be grouped under two major headings.carbon steel .a steel in which the main alloying element is carbon .carbon st current iron and steel industry in China Iron and Steel Design Institute? current iron and steel industry in ductile iron,steel or HDPE pipe The iron and steel industry is very important to our life.这句话怎么翻译,为什么用is不用are 英语翻译Hot dip galvanizing is a process by which iron and steel can be treated to prevent rusting.In essence it involves dipping the article with a chemically clean surface into a bath of molten zinc which reacts with the iron and forms a coatin the plant being built is a steel 英语翻译the production of hot rolled coils atSaldanha Steel is entirely based on 650000t/a of hot metal from the COREX plantand 800000t/a of direct reduced iron from the DR plantBoth of these products are processed tohigh-quality steel in a twin- 钢铁企业用英语怎么说是Iron and Steel Company 还是Iron and Steel enterprises 还是Steel enterprises还是别的? 英语翻译i）Rail is not just hateii）to wish iron could turn into steel at once iii）hate iron not just steelwho can please tell me which one is the best？ The iron lady is a New Yorker of New Yorkers . tangshan iron and steel coking and gas factory 英语翻译翻译 Deng Yaping is an experienced attacking player who has nerves of steel and an iron determination to succeed.不要机译, MAGNETIC IRON ORE,PIG IRON FOR STEEL MAKING,ELECTROLYTIC ZINC INGOT,大侠翻译求求了 钢铁侠为什么不叫steel man 而是 iron man iron 只是铁的意思啊