貧鉱
ひ
ん
こ
う
Meanings
1
low-grade ore
Technical term in mining and metallurgy for ore with low metal content.
Only low-grade ore can be mined from this mine.
Processing low-grade ore is costly.
low-grade ore
Technical term in mining and metallurgy for ore with low metal content.
Only low-grade ore can be mined from this mine.
Processing low-grade ore is costly.