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The sorted collection and secured disposal for harmful waste should be emphasized in the urban settlement of peri-urban area.
城市型住区应注重有害垃圾的分类收集与安全处置;
youdao
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The sorted collection and secured disposal for harmful waste should be emphasized in the urban settlement of peri-urban area.
城市型住区应注重有害垃圾的分类收集与安全处置;
youdao