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Erect support on box girder perform segmented concreting of bridge tower.
在箱梁上搭设支架，分段浇筑桥塔混凝土。
youdao
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Use optimized computer design box type girder as main support grider.
△以计算机优化设计的箱形梁作为主承载梁。
youdao
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Use optimized computer design box type girder as main support grider.
△以计算机优化设计的箱形梁作为主承载梁。
youdao