sinking open caisson by slurry coating

例句：

1. 1. The engineer carefully monitored the progress of the caisson sinking through the mud.
   工程师仔细监控着沉箱通过泥泞的进展。
2. 2. The project team was concerned about the potential environmental impacts of the caisson sinking.
   项目团队对沉箱下沉可能带来的环境影响感到担忧。
3. 3.Due to the heavy mud and water, the caisson sinking process took longer than expected.
   由于泥水太重，沉箱下沉过程比预期的要长。