north yunnan road 中文意思是什麼
north yunnan road
解釋
北雲南路-
To put the magnitude of road erosion in yunnan in perspective, the much lower landslide rates from roads in north america were substantial enough to shut down much of the logging on federal forest lands in the western united states
要正確認識雲南公路侵蝕的程度,不妨看看北美地區的情況,那裡低得多的公路滑坡率就足以讓美國西部聯邦林地上的許多砍伐行為停止下來。
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