pontoonn.浮桥；浮筒；潜水钟；浮码头；二十一点牌戏pontoon swing bridge开合浮桥pontoon storage tank浮式贮罐Pontoon Storage Barge浮桥装载驳船pontoon under carriage浮筒式起落架Pontoon Salvage Vessel浮箱救难船(海军符号)pontoonbridge regiment舟桥团pontoon bridge fixation浮桥固定pontoon bridge equipment舟桥材pontoon-type breakwater浮筒式防波提pontoon pile driving plant水上打桩机