This beam bears the whole weight of the upper floor.
这根大梁承受了上面那一层的全部重量。
This beam bears the whole weight of the upper floor.
这根大梁承受了上面那一层的全部重量。 。
Therefore, the upper bridge with simply supported continuous beam structure more and more.
因此，桥梁上部采用先简支后连续梁结构越来越多。
A safe gird (6) for operation is arranged on the upper beam (2).
作业用安全栏(6)设置于上梁(2)。
A safe gird (6) for operation is arranged on the upper beam (2).
作业用安全栏(6)设置于上梁(2)。
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