低品位难选锌精矿
Low content hard-dressing zinc concentrates
高硅锌精矿
high silicate zinc concentrate
高铁硫化锌精矿
MARMATITE
zinc sulphide concentrate bearing high content of iron
High iron sphalerite
High-iron zinc-sulphide concentrate
High iron zinc sulphide concentrate
高铁锌精矿
high-iron zinc concentrate
high-iron zinc concentrates
高锗锌精矿
High germanium zinc concentrate
混合铅锌精矿
Lead and Zinc bulk concentrates
进炉锌精矿
Zinc concentrate feeding retort
硫化锌精矿
zinc sulphide concentrate
zinc sulfide concentrates
Zinc sulfuration concentrate
zinc sulfide concentrate
Zinc sulphide concentrates
Zinc Sulfide mineral concentrate
Zinc sulphides
铅锌精矿
lead and zinc concentrate
锌精矿分析
The analysis of zinc concentrates
锌精矿及焙砂
Zinc Concentrate and Zinc Calcine
锌精矿品位
grade of zinc concentrate
zinc concentrate grade
铅锌混合精矿
bulk concentrate of lead-zinc
lead-zinc concentrate
lead and zinc concentrates
铜精矿降锌
decreasing zinc from copper concentrate