fin keel

常见例句

With it, a hull, fin keel and a rudder, as the three surfaces can be designed.
有了脚本，船壳、鳍龙骨和艇舵就像三种外观一样可以被设计出来。
a retractable fin keel used on sailboats to prevent drifting to leeward.
帆船上用于防止向下风向漂流的鳍板。
a retractable fin keel used on sailboats to prevent drifting to leeward
帆船上用于防止向下风向漂流的鳍板
10.a retractable fin keel used on sailboats to prevent drifting to leeward.
帆船上用于防止向下风向漂流的鳍板。
The workers are laying a keel of the ship.
工人正在给那艘船安龙骨。
A feather, wing, fin, or similar appendage.
羽、翼或鳍状结构羽、翼、鳍或类似的悬着物