ben·e·fi·ci·a·tion /ˌbɛnəˌfɪʃiˈeʃən/
富集; 選礦
Ben·e·fi·ci·ate v. t. Mining To reduce (ores). -- Ben*e*fi*ci*a*tion (░), n.
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beneficiation
n : crushing and separating ore into valuable substances or
waste by any of a variety of techniques [syn: mineral
extraction, mineral processing, mineral dressing, ore
processing, ore dressing]