secondary uranium minerals 次生铀矿物
uranium minerals and uranium-bearing ores 铀矿物和含铀矿石
Uranium minerals are usually accompanied bY pyrite.
铀矿物通常和黄铁矿伴生。
Secondary uranium minerals are illustrated in a Bureau of Minerial Resources prospector's handbook.
次生铀矿物已列入矿物资源局的普查手册中。
Namibia is now the fourth largest exporter of nonfuel minerals in Africa and the world's fourth largest producer of uranium.
纳米比亚现在是非洲第四大非燃料矿物出口国及世界第四大铀出产国。
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