First use of reamer boom two cables and fixed in two anchor traction test, with the back of the spud fixed cutter-suction dredger. By cab button control put reamer underwater mud (see figure 2), the cutter head rotation, the bottom mud for cutting and stirring (see figure 3), by the suction of the pump (see figure 5), a suction pipe (see figure 4) pumped, the mud mixture through the pipe (see figure 6) send the mud mixture to dredge field (see figure 7, 8) complete dredging.
