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.
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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