ferrosi相关论文
称取0.2g样品,置于预先盛有(0.300±0.005)g锡粒的坩埚内,覆盖(0.400±0.005)g纯铁和(2.000±0.005)g钨粒进行分析,建立了高......
Ferrosilicon magnesium is basic foundry alloys used for the production of ductile cast iron. Magnesium content plays an ......