弓背梁,上拱梁;弯梁;
How to reduce bigger arch camber of inherent stress box-beam
如何减少预应力箱梁起拱偏大问题
A Study of the Rigidity and Arch Camber of the Main Beam of Gantry Cranes
门、桥式起重机主梁刚度与拱度研究
The main, sub-beam handover, the first main beam arch camber, arch camber beam after the meeting.
主 、 次梁交接时, 先主梁起拱, 后次梁起拱.
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