试验证明，国产重交通道路石油沥青无论是从原样沥青还是从沥青混合料来看，其品质都不比进口沥青差。

Whether original asphalt or bituminous mixture, test findings proved that homemade heavy traffic asphalt was as good as import asphalt.

youdao

试验证明，国产重交通道路石油沥青无论是从原样沥青还是从沥青混合料来看，其品质都不比进口沥青差。

Whether original asphalt or bituminous mixture, test findings proved that homemade heavy traffic asphalt was as good as import asphalt.

youdao