pozzolanic admixture

例句：

1. 1.The construction of the new highway will require the use of pozzolanic admixtures to improve the soil quality.
   修建新高速公路需要使用火山灰混合料来改善土壤质量。
2. 2. The engineer used pozzolanic admixtures to make the concrete stronger and more durable.
   工程师使用了火山灰混合料使混凝土更坚固耐用。
3. 3. The construction company was required to use pozzolanic admixtures in their projects to meet environmental standards.
   建筑公司被要求在其项目中使用火山灰混合料以符合环境标准。