The result showed that the heavy metal pollution have existed in purple soil area, and it was most obviously at the mining areas and big city suburbs.
结果表明，紫色土区已存在重金属污染问题，尤以矿区和大城市近郊最为明显。
The result showed that the heavy metal pollution have existed in purple soil area, and it was most obviously at the mining areas and big city suburbs.
结果表明，紫色土区已存在重金属污染问题，尤以矿区和大城市近郊最为明显。
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