CO↓s-sodium silicate sand

例句：

1. 1. This type of sand is commonly used in construction for its excellent drainage properties.
   这种砂在建筑中常用，因为它具有出色的排水特性。
2. 2.The engineer decided to use this CO↓s-sodium silicate sand to improve the stability of the foundation.
   工程师决定使用这种硫酸钠硅酸盐砂来提高地基的稳定性。
3. 3. Due to its high porosity and good permeability, this sand is ideal for use in landscaping projects.
   由于其高孔隙性和良好的渗透性，这种砂非常适合用于园林工程。