F draft sill is an integrated casting component with thin wall and inner empty box, and irregular deformations like torsion and bending occur easily.
牵引梁为薄壁、内空箱体整体铸造构件，铸件容易出现搓扭和弯曲无规律性变形。
Working closely with the Ford Motor Company, we purchase the individual component parts of an F-350 pickup box.
紧密合作，福特汽车公司，我们购买个人的组成部分f- 350敞蓬小型载货盒子。
Along the way we add heavy gauge steel bed supports that strengthen the box to handle the higher payload and towing capacities of the F-450 and F-550.
在前进的道路上我们添加沉重钢床上的支持，加强框来处理更高的有效载荷和拖曳设备性能的分析，F- 450 F - 550。
The results calculated by means of regular formula for calculating the shear lag effect in box girder show that the usual analytical solutions f…
对试验结果的分析表明，随着载荷水平的增加，截面的剪力滞效应逐渐明显。
The results calculated by means of regular formula for calculating the shear lag effect in box girder show that the usual analytical solutions f…
对试验结果的分析表明，随着载荷水平的增加，截面的剪力滞效应逐渐明显。
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