XPL-50 jet grouting anchor rig operation and easy maintenance. Because with a full hydraulic technology cofferdam curtain sealing device, a breakthrough in key technologies sealing curtain, as Churning upgrade increases when drilling anchor stepless module dock pile sealing curtain to make it work operation more convenient. Triple double tube and pipe is the difference between the process of construction, triple-tube made of water, air, soil slurry triple cut pile, double-tube water cutting.