roadbed material meaning in English

路基材料

Study on utilization of waste as roadbed materials
矿产废料煤矸石作为路基填料的试验研究
The study of the new type of roadbed material
新型路基材料的研制
Therefore , xigeda filling material is a compounding filling made up of several soft rocks mentioned , which has more complex medium feature than single type filling material . we must certificate whether it satisfy minimum intensity standard of speedway ' s filling if the filling is used as roadbed material of express highway
因此昔格达填料是由上述几类软岩组成的混合填料，与单一类型填料相比具有更为复杂的介质特征，将其用作高速公路路基路堤填料，需要验证其能否满足高速公路对填料的基本要求。