Have you ever heard of a pontoon bridge?

你听说过浮桥吗？

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The application of the special type pontoon on the sea is introduced in this article.

简要介绍某型特种舟桥器材在海上的应用。

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The application of the special type pontoon on the sea is introduced in this article.

简要介绍某型特种舟桥器材在海上的应用。

youdao