...报（自然科学版、英文版） 关键字: 矿床;深井开采;岩爆;危险区;冬瓜山铜矿[gap=1550]Key words: ore deposit; deep well mining; rock burst; dangerous area; Dongguashan CopperMine...
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brine mining in deep well 深井采卤
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It can be used for reference for the import and remoulding of supporting equipments of deep well mining of narrow and gentle dip vein.
这对我国缓倾斜薄矿脉的矿山深井开采支护设备的引进和改造，将有一定的参考借鉴作用。
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Iger is hoping to release a new Star Wars film every two to three years by mining the deep well of characters and mythology in the Star Wars world.
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