lime-flyash stabilization

例句：

1. 1. The limestone in the riverbed is being stabilized to prevent further erosion.
   河床中的石灰石正在被稳定化，以防止进一步的侵蚀。
2. 2.The limestone was used as a building material due to its high strength and durability.
   由于其高强度和耐久性，石灰石被用作建筑材料。
3. 3. The limestone formations are important for understanding the geological history of the area.
   石灰岩的形成对于理解该地区的地质历史非常重要。