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buoyage n.1.〔集合詞〕浮標;浮標裝置。2.(系船)浮標使用費...

buoyance

The regulations for the shape of the marks of maritime buoyage system in china 中國海區水上助航標志形狀顯示規定

Maritime buoyage system , china 中國海區水上助航標志

Uniform system of maritime buoyage 國際統一海上浮標系統