| 摘要 |
<p>The invention comprises a waterborne craft having a hull, board or base, and a fin, keel, centreboard or the like. One or more air conduits exit the hull, board or base at or adjacent at least one side of the fin, keel or centreboard, or exit the fin, keel, or centreboard, excluding the leading edge of the fin, keel or centreboard in use, in a position such that the conduit in use provides or the conduits in use provide air to a position at or adjacent at least one side of the fin, keel or centreboard.</p> |
