cyanide gold-refining

氰化法炼金,cyanidation extracting... ... ) cyanidation extracting gold 氰化法炼金 ) cyanide gold-refining 氰化物炼金法 ...

... ) cyanide process 氰化法[冶金] ) cyanide gold-refining 氰化法精炼金冶> ) cyanide gold refining 氰化物金精炼法冶> ...