keelson

常见例句

• Gutters or channels on each side of a ship's keelson that drain bilge water into the pump well.
  汙水道，通水孔船底龍骨兩側用來排汙水的水槽或水道
• As one can tell from the photos, I made just 6 frames and clamped them together with a keel and keelson and began planking.
  從照片可知，我衹制作6個肋骨，用龍骨和內龍骨把它們夾在一起，竝開始鋪板。
• a horizontal beam (or plate) connected to the top of a ship's vertical keel or to the keelson.
  連接船衹的直立龍骨的頂部和內龍骨的平板。
• detached keel and keelson
  分離龍骨
• bilge keelson
  舭內龍骨
• middle line keelson
  中內龍骨
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