| 摘要 |
Mobile dredging apparatus movable on caterpillar tracks (2) or the like and provided with an energy unit (8,10), energy consuming motors (11) for moving and dredging and extendable line connections (9) between unit (8,10) and motors (11). The unit is removable and can be placed at a higher level (15) of the frame or on a vessel (16) so that the dredging area can reach from the beach through the coastal area up to the water depths corresponding to the length of the line connection (9).
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