... 采矿业 mining and quarrying; mining industry 汞矿业 mercury mining 矿业；开采 mining ...
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mercury mining area 汞矿地区
mercury mining areas 汞矿区
mercury-mining district 汞矿区
Wuchuan mercury mining areas 务川汞矿区
Mercury can be released into the environment through a number of industrial processes including mining, metal and cement production, and the burning of fossil fuels.
BBC: Nations agree on legally binding mercury rules
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