The difference of road base subsiding is the main factor affecting the base s stability,and the main cause of car-jump at bridgeheads of expressways.是什么意思_The difference of road base subsiding is the main factor affecting the base s stability,and the main cause of car-jump at bridgeheads of expressways.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句