片语
concrete pavement base水泥砼路面基层
pavement base material路面基层材料
cement stabilized pavement base material水泥稳定类路面基层材料
highway pavement base course公路路面基层
macadam pavement base碎石路面基层
pavement base course路面基层
pavement base materials路面基层材料
highway pavement and pavement base公路路面和路面基层
pavement base construction路面基层施工