pressure grouting machine

例句：

1. 1.The pressure grouting machine is used to inject water into the cracks in concrete structures.
   压力注浆机用于向混凝土结构中的裂缝注入水。
2. 2. The engineer carefully inspected the pressure grouting machine before starting the project.
   工程师在开始项目前仔细检查了压力注浆机。
3. 3.The pressure grouting machine was a critical tool in the construction of the bridge.
   压力注浆机是建造这座桥梁的关键工具。