mineral district glossary / mineral district, 矿区 mineral district 〈美〉矿区 国会立法中有时使用的术语，泛指国内某些蕴含有价值矿藏的地区或开采地。 mineral district Read More »
mining district glossary / mining district, 开采区, 矿区, 采矿区 mining district 矿区；开采区；采矿区 通常冠以名称，并有自然形成的边界，尤指金银矿区。 (→mining location) mining district Read More »
