| 摘要 |
<p>A sea vessel for laying bulkheads gates in a seabed has a pontoon (2); and a number of legs (4) movable in ascending/descending direction with respect to the pontoon (2), wherein each leg id provided with a support foot comprising a semi-spherical joint connected to the telescopic means; and a centering pin connected elastically to the support foot and configured for centering a recess in the seabed.</p> |
