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發布時間：2023-03-10 01:49:52

免费送18元彩金_免费送18元彩金官方版APP下载浣犲ソ　　馬文虎說，從共牧區退化成湖濱沙地后，20世紀80年代開始，當地在面積約六萬畝的克土沙區以封、育結合方法治沙，“在沙區邊緣種植鎖邊林，就像籠子一樣，鎖住沙區，不讓往周邊蔓延。之后再向沙區腹地推進，希望治沙速度快于沙漠化速度?！?/strong>{采集鳳凰內容}

　　

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