短語詞組短語ore e grade 鑛石品級(jí)ore removal grade 出窿品位ore -grade precipitate 鑛石級(jí)沉澱物Unleachable ore -grade 難浸鑛品位ore feed grade 入選品位ore operating grade 鑛石作業(yè)品位ore slurry grade 鑛漿品位iron ore slurry grade 鉄鑛漿品位mining ore grade 採鑛等級(jí) 返回 ore grade