fly-ash-cement concrete

例句：

1. 1. The construction crew was working on the new bridge with a mix of fly-ash-cement concrete.
   建筑队正在用水泥混凝土混合料建造新桥。
2. 2. The engineer used the fly-ash-cement concrete to reinforce the foundation of the building.
   工程师使用水泥混凝土加固了建筑物的基础。
3. 3. The durability of the fly-ash-cement concrete is what makes it popular in construction projects.
   水泥混凝土的耐用性是它在建筑项目中受欢迎的原因。