In order to study the influence of middle layer using modified asphalt on the rutting resistance,circular road tracking test(CRT)and Hamburg wheel tracking test(HWTT) are adopted.是什么意思_In order to study the influence of middle layer using modified asphalt on the rutting resistance,circular road tracking test(CRT)and Hamburg wheel tracking test(HWTT) are adopted.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句