This invention is also covered through using the method of aluminum or aluminum alloy workpiece production car or used in construction, manufacturing and packing industry aircraft use.
本发明还涉及通过该方法生产的铝或铝合金工件用于建筑、汽车或飞机制造以及包装业的用途。
This invention is also covered through using the method of aluminum or aluminum alloy workpiece production car or used in construction, manufacturing and packing industry aircraft use.
本发明还涉及通过该方法生产的铝或铝合金工件用于建筑、汽车或飞机制造以及包装业的用途。
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