The Great New Orlean Bridge represents modern contemporary long - span steel cantilever construction.

新奥尔良大钢桥表现出了现代大跨径钢桥悬臂施工的技术。

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The Great New Orlean Bridge represents modern contemporary long - span steel cantilever construction.

新奥尔良大钢桥表现出了现代大跨径钢桥悬臂施工的技术。

youdao