Aluminium is used as the engineering material for planes and spaceships and it is both light and tough.
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.
铝用作制造飞机和宇宙飞船的工程材料，因为铝质轻而韧性好。
Aluminium is used as the engineering material for planes and spaceships and it is both light and tough.
铝用作制造飞机和宇宙飞船的工程材料，因为铝质轻而韧性好。
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