绞吸式挖泥抽沙船是目前在疏滩清淤工程、采沙工程中运用较广泛的一种设备，它是利用吸管前端装设的旋转绞刀装置，将河底泥沙进行切割和搅动，借助强大的泵力将绞起的泥沙物料通过输送管道输送到泥沙物料堆积场，它的挖泥沙、运泥沙、卸泥沙等工作过程，可以一次连续完成，它是一种效率高、成本较低的泥沙挖掘设备，是良好的水下挖掘机械。
The ship is not self-propulsion、cutter suction dredging equipment. The floating part is made up of several boxes. The dredger equipments include sideslip device、cutter up and down device、location spud device、deck crane and so on. The main engine is a independent entrainment form, one main pump engine, one auxiliary hydraulic engine. Mud pump host output belt has clutch reduction Function.
