边磨边浸氰化提金工艺
cyaniding technology of gold leaching while pulverizing
镀金工艺
technology for gold electroplating
仿金工艺技术
gold-imitation processing technology
飞机钣金工艺
aircraft sheet metal forming process
粉末冶金工艺
powder metallurgy technology
powder metallurgy
光亮镀金工艺
bright gold plating process
含金硫酸烧渣提金工艺
technology of recovering gold from gold-bearing sulphate calcine
混汞提金工艺
gold extraction by amalgamation
机械合金工艺
mechanical alloying process