alumina silica ratio

例句：

1. 1. The chemical analysis of the sample revealed an alumina to silicon ratio of 2:1.
   样本的化学分析显示，铝硅比为2:1。
2. 2. In the manufacturing process, the alumina to silicon ratio is critical for the strength and durability ofthe final product.
   在制造过程中，铝硅比对于最终产品强度和耐用性至关重要。
3. 3. The engineers carefully monitored the alumina to silicon ratio during the casting process to ensure optimal quality.
   工程师们在铸造过程中仔细监控铝硅比，以确保产品质量最优。