| 摘要 |
The Device comprising a chassis (1) movable upon caterpillar tracks (2), a water tight engine room (5) with input chimney (17,19) and exhaust gas pipes (6,7) control levers and panel extendable or movable upwardly through a cylinder (18), a dredge pump (8) with suction pipe (9), a delivery pipe (10) with swayable extension (13), means (20,22) to adjust the position of the said extension, said device preferably further having a water supply line (25) debouching adjacent the inlet of the suction pipe (9) as well as adjustable bull dozer blades (3). |
