washed ore 中文意思是什麼
washed ore
解釋
精礦砂-
An inclined trough in which crushed ore is washed with running water to flush away impurities
洗礦槽,淘汰盤一個傾斜的槽,在其中被碾壓的礦石被流水沖刷以沖走雜質
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