粗砂礫
拼音：cū shā lì英文解釋：
【建】 corase gravel例句：
- 道碴用來鋪公路或鐵路路基的粗砂礫或碎石Coarse gravel or crushed rock laid to form a bed for roads or railroads.
- 道碴用來鋪公路或鐵路路基的粗砂礫或碎石Coarse gravel or crushed rock laid to form a bed for roads or railroads
- 噴漿樁技術在粗砂礫砂地層中的套用Application of gunite pile technique to layer of coarse and gravelly sand