grouting for water-block-ing

例句：

1. 1.The engineers used a special grout to fill the cracks in the wall.
   工程师们使用一种特殊的灌浆料来填充墙壁上的裂缝。
2. 2. The construction crew is busy grouting the foundation with concrete.
   施工队正在忙着用混凝土注浆地基。
3. 3.The process of grouting involves mixing and pumping a fluid into a crack or hole.
   注浆过程涉及将流体混合并泵入裂缝或孔洞中。