recovery ratio of compressive strength after immersion

例句：

1. 1.The new material has a higher recovery ratio of compressive strength after immersion compared to the old one.
   新材料与旧材料的浸渍后压缩强度恢复率相比，前者更高。
2. 2. The engineers used this method to improve the recovery ratio of compressive strength after immersion.
   工程师们使用这种方法来提高浸渍后压缩强度的恢复率。
3. 3. The research shows that the recovery ratio of compressive strength after immersion is closely related to the quality of the material.
   研究表明，浸渍后压缩强度的恢复率与材料的质量密切相关。