Provides no (unweighted board) or less (weighted board) ballast, compared to a fixed keel, to resist capsizing and ensure recovery from a capsize

比起固定龙骨而言，它只能提供零压载（无负重龙骨板）或少量压载（带负重龙骨板），因此在抵抗倾覆和从倾覆中归位方面较为不利

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Provides no (unweighted board) or less (weighted board) ballast, compared to a fixed keel, to resist capsizing and ensure recovery from a capsize

比起固定龙骨而言，它只能提供零压载（无负重龙骨板）或少量压载（带负重龙骨板），因此在抵抗倾覆和从倾覆中归位方面较为不利

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