已经有次观看 wencong在2013-07-31发布

Channel：Molybdenum 标签： Molybdenum  steel,  Molybdenum 

简介：Molybdenum steel adds unique molybdenum steel (genus steel) its characteristics lies: molybdenum steel, one kind of arms supplies, high hardness, high strength, high temperature resistance, corrosion resistance, abrasion resistance, excellent red hardness, is to create barrel , machine guns, pipe excellent material.