mining wastes
2013年雅思考试词汇分类：环境资源相关19 ... 微污染物Micropollutants 采矿废物Miningwastes 机动车辆排放物Motorvehicleemissions ...
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采矿废弃物 mining wastes
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经过几十年的采矿后，这座城市变成了一片环境紧急事故区，因为开矿企业从一开始就缺少废物处理厂。
Following several decades of ore mining the city turned into an area of environmental emergency as the enterprises lacked waste plants since the very beginning.
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