Taking the test section in western segment of the belt express with lime-flyash gravel base in Datong City as the example, this paper sums up the test pavement scheme.是什么意思_Taking the test section in western segment of the belt express with lime-flyash gravel base in Datong City as the example, this paper sums up the test pavement scheme.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句