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1.The country abounds in valuable minerals.
这个国家有大量宝贵的矿藏。收藏指正
2.The mountainous area is prolific in valuable minerals.
这一山区有丰富的宝贵矿石。收藏指正
3.mining valuable minerals from a placer by washing or dredging.
通过从冲积矿洗涤或挖泥来提取贵重矿物的开矿。收藏指正
4.Worthless rock or other material in which valuable minerals are found.
矿物杂质，尾矿在其中找到有价值的矿石的无价值岩石或其它矿产收藏指正
5.A glacial or alluvial deposit of sand or gravel containing eroded particles of valuable minerals.
砂矿，砂积矿床一种砂砾或碎石的冰河沉积物或冲积沉积物，包括有价值的矿物成份收藏指正
6.run water over the ground to erode (soil), revealing the underlying strata and valuable minerals; in mining.
用水冲洗矿物将较轻物质除掉。收藏指正
7.Application of magnetizing roast method to the synthetic recovery of valuable minerals from tails of cleaning mill of Mian County Alluvial Gold Mine
磁化焙烧法在勉县砂金矿精选厂尾矿综合回收中的应用收藏指正
8.In the flotation product of Daye iron mine, cobalt is dispersed as isomorphism in the pyrite, likewise, it is not homogeneous distribution. Therefore, it is difficult to increase the cobalt grade of S-Co concentrate. The valuable minerals size is fine, and its degree of liberation is high.
大冶铁矿浮选产物之一的硫钴精矿中钴是以类质同象存在于黄铁矿中，其分布是不均匀的，因此，提高硫钴精矿钴品位难度较大，有用矿物粒度较细，其解离度也比较高，但部分有用矿物呈复杂的浸染交代结构彼此或与脉石嵌镶，故欲提高分离浮选作业指标则比较困难。收藏指正
9.It contains valuable components such as minerals, trace elements and ginsenosideres etc.
长白山人参含有丰富的矿物质、微量原素及人参皂酣等多种有效成份。收藏指正
10.A mineral or an aggregate of minerals from which a valuable constituent, especially a metal, can be profitably mined or extracted.
矿石一种矿物或多种矿物的集合物，从中可采探或提取出在经济上有价值的成分，尤指金属收藏指正
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