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。

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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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Despite the average grade, with reviews so much stronger than most films aimed at teens, and an encouraging 18 percent bump on Saturday (which suggests positive word-of-mouth), "Chronicle" might not plummet at the box office the way "F" graded "The Devil Inside" did a few weeks ago.

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