crack grouting

例句：

1. 1.The engineer used a special material to fill the cracks in the concrete foundation.
   工程师使用一种特殊的材料来填充混凝土地基中的裂缝。
2. 2.The crack grouting was done to prevent further damage to the structure.
   进行裂缝灌浆是为了防止结构进一步受损。
3. 3. The repair work involved replacing the damaged parts and re-grouting the cracks.
   修复工作包括更换损坏的部分并重新灌浆裂缝。