上周该国钢铁厂的原钢产量下降了2.1%。Raw-steel production by the nation's mills decreased 2.1% last week.又有200多名新学徒来到钢铁厂工作.Two hundred more new recruits broke in at the steel plant.这家钢铁厂的年产量达500000吨.The annual output of the steel pl...
他给房屋建筑商提供了现代的木构架。He supplied housebuilders with modern timber frames.该机器的精妙之处在于其构架呈流线型。The secret of the machine lies in the aerodynamic shape of the frame.盐水对轻合金飞机构架和布质机翼蒙皮有腐蚀作用.Salt water corroded the light alloy frame...