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镀铝是一种有前途的工艺，它将铝的表面性能与钢、铜及钛的体积性能结合起来，使这些材料的用途扩大，可用于紧固件、弹簧及许多航空结构件。本文介绍德国的Ｓｉｇｎａｌ专利技术。
Aluminum plating is a promising process that combines the surface properties of aluminum with the volumetric properties of steel, copper and titanium to expand the use of these materials for fasteners, springs and many aeronautical structures. This article describes the German Signal patented technology.