最終更新日：2024/08/06
(nautical) The fourth and highest part of the mast from the deck, commonly made in one piece with the topgallant mast.
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royal mast
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(nautical) The fourth and highest part of the mast from the deck, commonly made in one piece with the topgallant mast.
royal mast
DiQt（ディクト）
無料
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