微米－纳米金刚石复合涂层
micro-nanocrystalline composite diamond coatings
微量重金属元素
Trace elements of heave metals
trace heavy metal element
微粒浸染型金矿床
Characteristics of anomaly
微合金化铸铁焊条
micro-alloying cast iron electrode
微合金化重轨钢
microalloying heavy rail steel
微合金化应用
Application of Microalloying
微米硬质合金粉末
microsized hardmetal powder
微－纳米复合金刚石薄膜
micro-nano diamond composite film