... coal mining 采煤; 采煤 Nantong coal mining area of Chongqing 南桐矿区; 南桐矿区 waste rock (in coal mining) 煤矸石 ...
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waste rock pile 矸石堆
coal waste rock pile 煤矸石堆
waste rock from uranium mine 铀矿山废石
waste-rock yard 废石场
Waste rock waste sand 废石废砂处理
waste rock loss 弃矸流失
waste rock hill 矸石山
waste rock site 废石场
waste rock dump 矸石山
More than 30 million tons of waste rock are spread over the surrounding areas, and untreated water is discharged by the mines into the river.
超过3千万吨的废矿石遍布四周，未处理的水从矿井直接排入河中。
Dr Scott argues that underwater mining will be far less disruptive to the environment than terrestrial mining: there will be no piles of waste rock, since the deposits are directly on the sea floor.
斯科特辩解说水下开采将比陆地开采带来的环境破坏少得多：由于是直接在海底作业，因此将不会有大量的岩石废料。
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