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几天前在油管上看中国发明一种粉状物质,和沙拌在一起加水,可以变成类似泥土的糊状物,浇一次水能保持湿润很多天。中国已经利用这技术变好几块沙漠为绿洲了。

madog (武疯子)
(#12148248@0)
2019-6-15 -05:00
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Back To Topic: 中国的塞罕坝沙漠曾经黄沙漫漫 经三代人努力建成世界最大人工林 。

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