龙骨邦木，呆木船的龙骨和艉柱之间的垂直板材，用来加固。
The vertical planking between the keel of a vessel and the sternpost, serving as a reinforcement.
不对称尾鳍是安装在单桨船螺旋桨前方艉柱上的一种节能装置。
The asymmetrical skeg is an energy-saving unit which is fixed on the sternpost forward of the propeller on a single screw ship.
平板龙骨应与艏柱和艉框架牢固地连接。
The plate keel to be connected firmly with stem and stern frame.
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