| 摘要 |
- 21 - AN IMPROVED CONVERTIBLE VESSEL ABSTRACT OF THE DISCLOSURE A VESSEL INCLUDES AN HEAVY LOADED CATAMARAN, ONE OR SEVERAL MOVABLE BUOYANT ROLL- ON/ROLL-OFF PLATFORM(S); A MOVING MEAN IS PROVIDED FOR DRAFT VARIATION IN HEAVY DEEP SEAS 5 SO THAT THE PLATFORM(S) MAY BE RAISED OR LOWERED BETWEEN THE HULLS THEREBV SCLECTIVELV CHANGING THE FLOTATION OF THE VESSEL. IN THE UPPER POSITION, THE VESSEL IS A DEEP-SEA CATAMARAN, IN AN INTERMEDIATE POSITION THE PLATFORM(S) IS BUOYANT AND A CANAL IS FORMED BETWEEN PLATFORM BOTTOM AND CATAMARAN KEELS, IN THE LOWER POSITION, PLATFORM BOTTOM AND CATAMARAN ARE EVEN-KEEL CONVERTING THE CATAMARAN IN A SHALLOW WATER CRAFT, IN THE 10 LOWEST POSITION, THE CATAMARAN IS RAISED ABOVE WATER FOR DOCKING. D N 5_4 IFL O 4- D />@'O @_
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