一、锂在国民经济和国防中的作用锂被认为是21世纪的重要材料之一,被称为“21世纪新能源”。锂能与多种元素制成合金,在原子能、航空航天等众多领域中得到广泛应用。锂和锂的化合物常作为高能燃料,用于火箭、飞机或潜艇上。铝锂合金质量轻、强度高,用于飞机制造 First, the role of lithium in the national economy and national defense. Lithium is considered as one of the important materials in the 21st century and is called “21st Century New Energy.” Lithium can be made with a variety of elements alloy, widely used in many fields such as atomic energy, aerospace. Lithium and lithium compounds are often used as high-energy fuels for use on rockets, aircraft or submarines. Al-Li alloy light weight, high strength, for aircraft manufacturing