在钢箱梁中创造了一张树床。
食物进入一个现浇箱梁。
箱梁横向内力的计算目前还缺乏精确有效的简化方法。
Lateral internal force calculation of box girder still lacks accurate effective and simple method.
△以计算机优化设计的箱形梁作为主承载梁。
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。
Use optimized computer design box type girder as main support grider.
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