原材料影响因子方面，重点研究了沥青类型、粗集料类型与针片状含量对排水沥青混合料性能的影响。

For impact factor of raw materials, the dissertation focuses on the asphalt type, coarse aggregate type and flat and elongated particle content on drainage asphalt mixture performance.

youdao

原材料影响因子方面，重点研究了沥青类型、粗集料类型与针片状含量对排水沥青混合料性能的影响。

For impact factor of raw materials, the dissertation focuses on the asphalt type, coarse aggregate type and flat and elongated particle content on drainage asphalt mixture performance.

youdao