我们知道钨有许多宝贵的性能,极高的熔点、低的蒸汽压、高温下的低膨胀性和尺寸稳定性,优异的高温力学性能以及特殊的电性能,正是钨的这些宝贵性能,使钨成为当今高技术当中的基础材料,国防建设中不可缺少的材料和与人民生活质量息息相关的材料,因此钨在国民经济当中有着重要的地位和作用,我们国家是世界上钨资源大国,也是当今世界上钨制品的生产大国,2003年根据钨协统计,钨制品实际产量达到2570吨左右,占我国钨消耗量的15%-16%,这表明我国钨的加工制品有了长足的发展。
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