对此，本文研究一种新型的多孔混凝土排水基层材料。

According to this, the paper puts forward a kind of new permeable base material, which is called porous concrete.

youdao

多孔混凝土是一种性能良好的新型道路基层材料，相应的多孔混凝土排水基层沥青路面是一种新型的路面结构。

Hollow concrete is a well performance novel road base material, and the corresponding asphalt pavement with hollow concrete water drainage substrate is a novel road pavement structure.

youdao

多孔混凝土是一种性能良好的新型道路基层材料，相应的多孔混凝土排水基层沥青路面是一种新型的路面结构。

Hollow concrete is a well performance novel road base material, and the corresponding asphalt pavement with hollow concrete water drainage substrate is a novel road pavement structure.

youdao