This paper focus on gap-graded asphalt mixtures. Aggregate grading of the gap-graded HMA was designed by means of Void Design Procedure.是什么意思_This paper focus on gap-graded asphalt mixtures. Aggregate grading of the gap-graded HMA was designed by means of Void Design Procedure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句