Cinnabar is the main mineral material for polishing mercury. 丹砂是煉汞最主要的礦物原料。
The basic principle of mechanical activation and its application to the leaching process for raw non-ferrous minerals is briefly discussed. 本文簡(jiǎn)要討論了機械活化的基本原理及其在有色金屬礦物原料浸出過(guò)程中的應用。
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