感謝中國築路工人，感謝中科院蘭州沙漠研究所，中國鐵道科學研究院蘭州沙漠研究所固沙科研成果。

來源: 老生常談12 於 2017-03-06 19:33:42 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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