concrete mixture

例句：

1. 1. The construction crewmixed the concrete to form asolid base for the new building.
   建筑工人混合混凝土以形成新建筑物的坚固基础。
2. 2. The engineer used a mixer tocreate a uniform concrete mixture for pouringinto the foundation.
   工程师使用搅拌机制作均匀的混凝土混合物，用于倒入地基。
3. 3. The contractorwas asked to provide a detailed report onthe quality of the concrete mixture used inthe project.
   承包商被要求提供一份关于项目所用混凝土混合物质量的详细报告。