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。
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。
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。
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