multi-cell box girder 多孔箱形梁
single cell box girder 单室箱梁 ; 单元箱形梁
Twin-cell box girder 双宝箱梁
forth line single-cell box girder 四线多榀单箱单室箱梁
multi-cell l box girder 多孔箱形梁
According to the deformation of single cell box girder cross-section, the displacement parameters were designed, and the displacement modes of cross-section distortion angles were deduced.
根据单箱单室箱梁截面的变形，设计位移参数，导出横截面横向、竖向畸变角的变位模式。
The beam of Sanmenjiang bridge is the discrete simple-box double-cell girder.
三门江大桥主梁采用分离式单箱双室结构。
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