keelson

常见例句

Gutters or channels on each side of a ship's keelson that drain bilge water into the pump well.
污水道，通水孔船底龙骨两侧用来排污水的水槽或水道
As one can tell from the photos, I made just 6 frames and clamped them together with a keel and keelson and began planking.
从照片可知，我只制作6个肋骨，用龙骨和内龙骨把它们夹在一起，并开始铺板。
a horizontal beam (or plate) connected to the top of a ship's vertical keel or to the keelson.
连接船只的直立龙骨的顶部和内龙骨的平板。
detached keel and keelson
分离龙骨
bilge keelson
舭内龙骨
middle line keelson
中内龙骨