aggregate gradation造句怎么写

Discussed shallowly the use "the Behre law" carries on the mineral aggregate gradation to design

Experiment steps as following: at first, this paper has studied aggregate gradation to ensure which kind of coarse aggregates to contribute more for high temperature stability.

Study on optimization of aggregate gradation design for AC-20 modified asphalt mixture in pavement

Research and design on a technology system of concrete multi-aggregate gradation

Research on the influence of aggregate gradation in strength of cement stabilized crushed stone