grouting shaft sinking

例句：

1. 1. The engineer carefully monitoredthe grouting shaft sinking process toensure stability.
   工程师仔细监控了注浆井下沉过程，以确保稳定性。
2. 2. The construction crewwas working diligently on thegrouting shaft sinking, ensuring thesafety of the workers.
   施工队伍正在努力进行注浆井下沉工作，确保工人的安全。
3. 3. The grouting shaft sinking isa critical step in the construction process,requiring precise control and attention to detail.
   注浆井下沉是施工过程中的关键步骤，需要精确控制和关注细节。