调查了广东省连南瑶族自治县寨岗铁屎坪土法炼砷废墟及其周边砷污染状况。
The arsenic pollution was investigated for arsenic-smelting ruins and around it at Zhaigang Tieshiping in Liannan autonomous county of Guangdong.
调查了广东省连南瑶族自治县寨岗铁屎坪土法炼砷废墟及其周边砷污染状况。
The arsenic pollution was investigated for arsenic-smelting ruins and around it at Zhaigang Tieshiping in Liannan autonomous county of Guangdong.
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