grouting gantry

例句：

1. 1.The grouting gantry is used for pouring concrete into the holes in the wall.
   灌浆台车用于将混凝土倒入墙壁上的孔中。
2. 2. The grouting gantry was essential for the construction of the new bridge.
   灌浆台车对于新桥梁的建设至关重要。
3. 3. The grouting gantry was used to reinforce the structure after it was poured.
   灌浆台车被用来在混凝土浇筑后加固结构。