Chinese customs officials recently let it be known that they had stopped a shipment of vanadium, a metal that can be used as an alloy to strengthen missile casings.
最近中国海关官员透露他们已停止运送可当做合金用于强化弹壳的重金属——钒。
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Alloy steel owe their properties to the presence of one or more elements other than carbon, namely nickel, chromium, manganese, molybdenum, tungsten, silicon, vanadium, and copper.
合金钢的性质取决于其所含有的除碳以外的一种或多种元素，如镍、铬、锰、钼、钨、硅、钒和铜。
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This alloy is mainly composed of element chromium and nickel (titanium, vanadium, manganese).