roadmixn.路拌(路拌法建筑的路面)adj.路拌的roadn.路；道路；途径；方法road pavement property路用性能road construction cost公路造价Road Cycling Road Race公路自行车大组赛Road usage performance路用性能Road of writing career创作道路road freight transport公路货物运输road surface roughness路面不平度Road-use performance路用性能road maintenance costs养路费road-surface problem路面问题