Zn电积
Zinc electronic deposition
zinc electrical deposition
锌电积
Electrowinning
zinc deposition
zinc electrolytic winning
zinc electrodeposition
electro deposited Zinc
zinc electrolysis
metallic Zinc electro-deposit
zinc electrowinning
zinc electrodeposit
电积有色金属
non-ferrous metals electrowinning
电积脱铜脱砷
decopperization and arsenication by electrowinning