road to通往 ... 的道路； 方法roadn.路；道路；途径；方法road-effect zone道路影响域roadbed subsidence路基沉降road survey system道路修测系统road in rural area农村公路road in hilly area丘陵地区道路road surface layer路面road line coatings马路划线涂料roadbed built body路基筑体road marking paint马路标线漆,路线漆roadbed broadening路基加宽