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Meaning of 精矿

Lookup via: Pinyin | Radicals
jīng kuàng (Trad.: 精礦)
refined ore; concentrate
Example Sentences
1
Copper ores and concentrates.
2
Chromium ores and concentrates.
3
Molybdenum ores and concentrates.
4
Cobalt ores and concentrates.
5
Nickel ores and concentrates.