用crushed gravel造句子，“crushed gravel”造句

The paper mainly introduced the application technology of the pumping high strength concrete (C60) which takes crushed gravel as coarse aggregate with big fluidity.

This paper provides an experiment basis for studying mechanism of geobelt reinforced crushed gravel soil further.

On the large-scale triaxial test equipment, 3D shear test of polymer geogrid reinforced crushed gravel soil and non-reinforced soil were carried out.