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整机采用液压传动，结构紧凑，机动灵活，适合在狭窄场地作业，可完成大型机械不能完成的施工任务。机具工作装置与拖拉机连接为快速挂接式，液压管路采用快换接头，安装拆卸十分方便，装载装置，挖掘装置与拖拉机提升器装置共用一个液压系统，液压油缸采用国家标准，便于维修。
The whole machine adopts hydraulic transmission, the structure is compact, flexible and flexible. It is suitable for the narrow field operation, and can accomplish the construction task which the large-scale machinery can not complete. The machine device is connected with a tractor for hanging type, hydraulic pipe with quick joint, convenient installation and disassembly, loading device, device sharing and mining device of a tractor raiser, hydraulic system, hydraulic cylinder with the national standard, convenient maintenance.
前装后挖（Pre load dig）