rock grout

例句：

1. 1. The construction crewused rock grout to fill in thecracks in the foundation.
   施工队使用岩石砂浆填充地基的裂缝。
2. 2. The engineer recommendedusing rock grout for the waterproofingof the concrete slab.
   工程师建议使用岩石砂浆来防水混凝土板。
3. 3. The rockgrout was mixed with water and pouredinto the hole to create a solid base.
   将岩石砂浆与水混合后倒入孔中以形成坚固的基础。