铅锌蓄电池
lead-zinc accumulator
lead-zinc storage battery
铅锌物料
Pb-Zn material
smelting charge of lead and zinc
铅锌尾矿
Lead-zinc tailings
Lead-Zinc tailing
tailings of lead-and-zinc mine
铅锌湿废渣
wet sludge of smelting zinc and lead
铅锌热液矿床
leadzinc hydrothermal deposit
铅锌企业
lead-zinc enterprises
lead and zinc enterprises
铅锌硫化矿
lead and zinc sulfide minerals
lead-zinc sulfide ores
Lead-zinc sulphide ore
lead-zinc-sulfide mine
Lead-Zinc sulfide ore
lead zinc sulfide minerals
Sulphide ore of lead and zinc
Pb-Zn sulphide ore
铅锌联合冶炼
lead and zinc smelting complex
铅锌开发
Lead and Zinc Mine Development
铅锌精矿
lead and zinc concentrate