alumina soda ratio

例句：

1. 1. The construction company used alumina-silica ratio to determine the best mix for their concrete.
   该建筑公司使用铝硅比来确定他们混凝土的最佳混合比例。
2. 2. The engineer analyzed the chemical composition of the alumina-silica ratio and found that it was not suitable for the project.
   工程师分析了铝硅比的化学成分，并发现它不适合该项目。
3. 3. The manufacturer claims that their alumina-silica ratio is superior to other brands in terms of durability andperformance.
   制造商声称他们的铝硅比在耐用性和性能方面优于其他品牌。