unloading dredger

例句：

1. 1.The unloading dredger was used to transport the heavy cargo from the ship.
   卸载式挖泥船被用来运输从船上卸下的重货物。
2. 2.The unloading dredger was essential for the construction of the new port.
   卸载式挖泥船对于新港口的建设至关重要。
3. 3.The unloading dredger was a critical tool in the process of loading and unloading goods.
   卸载式挖泥船是装载和卸载货物过程中的关键工具。