工业标准及规格–铁及非铁金属
Industrial Standard – Ferrous & Non – ferrous Metal
铁族元素金属及金属互化物矿物
metallic and intermetallic compounds of Fe-group e
非金属-金属转化
nonmetal-metal transition
金属-非金属过渡
metal nonmetal transition
金属非金属矿山
metallic and nonmetallic mine
metal and nonmetal mine mining
金属非金属跃迁
metal nonmetal transition
金属-非金属转变
Metal-nonmetal transition
小型金属非金属矿山
small-sized metal and nonmetal mines
金属铁及其化合物
Metallic iron and iron -- containing compounds
石膏模非铁金属精密铸造技术
non-ferrous precise casting technology of gypsum model
金属－金属髋关节假体
Metal-on-metal hip prostheses