Tendering procedure is an important procedure in highway bridge construction.

招标程序是公路桥梁建设中的一个重要程序。

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It is an important procedure of re-fill up at platform back in bridge opening.

桥涵的台背回填是一道至关重要的工序。

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It is an important procedure of re-fill up at platform back in bridge opening.

桥涵的台背回填是一道至关重要的工序。

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