鋼鐵?iron and steel;steel
?strong and tough as iron and steel
～廠 iron and steel plant; steel mill; steel works/～工業(yè)iron and steel industry/～聯(lián)合企業(yè)iron and steel complex;integrated iron and steel works/～般的團(tuán)結(jié)iron-like unity;rock-firm unity; monolithic unity/～意志iron will;indomitable will |