The XGH5252GQXZ6 combined dredging vehicle integrates high-pressure dredging, material suction, loading and unloading, and is mainly used for sludge suction, dredging and transportation of urban underground pipe networks. It can dredge and clean urban pipes with high-pressure water, remove silt in the pipes and dirt attached to the pipe walls. Some models are equipped with a high-pressure water loosening function, which can perform non-destructive excavation operations.