dredging buoy

例句：

1. 1.The dredging buoy was used to mark the location of the new pipeline.
   疏浚浮标被用来标记新管道的位置。
2. 2. The dredging buoy was a crucial tool in the construction process.
   疏浚浮标是施工过程中的关键工具。
3. 3.The dredging buoy helped to ensure that the water level remained stable during the construction.
   疏浚浮标帮助确保了施工期间水位保持稳定。