提出底敞口充气浮箱的结构和概念。

This paper presented the concept and structure of an air-charged floating vessel with open bottom.

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衬白布底，边角无破损但箱面下塌。

There is no damage of each Angle but the surface of the trunk.

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衬白布底，边角无破损但箱面下塌。

There is no damage of each Angle but the surface of the trunk.

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