Analysis on the Difference of Thermal State between South Faced and North Faced Slope of Railway Embankment in Permafrost Regions是什么意思_Analysis on the Difference of Thermal State between South Faced and North Faced Slope of Railway Embankment in Permafrost Regions在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句