In addition, air bubbles breakwater has the other advantages, for the light weight, simple structure and low cost.

另外气幕防波堤的重量轻、结构简单、造价低。

youdao

In addition, air bubbles breakwater has the other advantages, for the light weight, simple structure and low cost.

另外气幕防波堤的重量轻、结构简单、造价低。

youdao