因为铝质轻而韧性好，所以被用作制造飞机和宇宙飞船的工程材料。
Aluminium is used as the engineering material for planes and spaceships and it is both light and tough.
原材料如钢铁、铝和橡胶成本的上升可能阻碍汽车制造商从今年创纪律的全球销售额中获益，惠誉评级的布朗在一次电话采访中说。
Higher costs for raw materials such as steel, aluminum and rubber may constrain automakers from taking advantage of record global sales this year, Fitch's Brown said in a telephone interview.
该报告称，中国通过限制钢铁、铝和化工等行业原材料的出口来保护国内制造商。
The report says China was protecting its domestic manufacturers, by limiting exports of raw materials used in the steel, aluminum and chemical industries.
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