非金属-金属转化
nonmetal-metal transition
金属－金属髋关节假体
Metal-on-metal hip prostheses
MetalSafe便携式重金属分析仪
MetalSafe portable analyzer
螯合重金属
chelation of toxic metals
催化性贵重金属被覆
Noble metal chemical addition
大气重金属沉降
atmospheric heavy metal deposition
蛋白质重金属结合体
protein binding forms of heavy metals
低浓度重金属废水
dilute heavy metal ions waste water
多重金属沉积法
multimetal deposition MMD
automatic voice switching equipment