短語詞組短語pavement base materials 路麪基層材料concrete pavement base 水泥砼路麪基層pavement base course 路麪基層macadam pavement base 碎石路麪基層highway pavement base course 公路路麪基層pavement base construction 路麪基層施工pavement base material 路麪基層材料highway pavement and pavement base 公路路麪和路麪基層cement stabilized pavement base material 水泥穩(wěn)定類路麪基層材料 返回 pavement base