final magnetic concentrate
... 优先浮选精矿 selective concentrate 最终磁选精矿 final magnetic concentrate 初选 primary election; initial separation; original selection; primary 选民们对于初选时没完没了地空喊口号的现象感到发腻了。 the voters are pretty sick of such a surfeit of primary sloganeering ...
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final magnetic concentrate
终磁精矿
以上为机器翻译结果，长、整句建议使用 人工翻译 。