It mainly includes the way of mercury pollution, transportation and harness method of mercury in soil.

主要包括土壤汞污染的途径 、 迁移方式和治理办法.

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Mercury pollution was studied in coal - based cities - Changchun and Huludao in the north of China.

文章研究了中国北方 燃煤 型城市长春市和工业复合型城市葫芦岛市汞污染状况.

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