·2,447,543篇论文数据，部分数据来源于NoteExpress
The plate keel to be connected firmly with stem and stern frame.
平板龙骨应与艏柱和艉框架牢固地连接。
youdao
Nautical A vertically hinged plate of metal, fiberglass, or wood mounted at the stern of a vessel for directing its course.
垂直的有铰链的圆盘，用金属、玻璃纤维或木头制成，置于船头之上以调整方向。
应用推荐
模块上移
模块下移
不移动