roadmixn.路拌(路拌法建筑的路面)adj.路拌的roadn.路；道路；途径；方法road traffic disaster公路交通灾害roadbeds strengthening路基加固road motorcycle racing公路摩托车竞赛Road Construction Unit筑路部队road safety facilities交通安全设施road surface transform路面改造road building material筑路材料road-bed engineering路基工程road surface in tunnel隧道路面road safety evaluation道路安全评价