It is composed of casing flange, casing cross joint, wellhead valves, tubing hanger, tubing head cross joint and accessories.
这种井口装置由套管法兰、套管大四通、井口阀、油管挂、油管挂体及相关附件组成。
The only failure I've personally seen from high tension is a hub flange failure on a two-cross wheel.
唯一的失败我个人看到的是由高张力对两跨轮毂法兰失败。
Analysis shows that it is the best way to improve the stress distribution of the twin-box single cross section of cable-stayed bridge by thickening the bottom flange.
分析表明：加厚底板对斜拉桥双箱单室箱形主梁应力分布的改善效果最佳。
Analysis could also show, to improve the stress distribution of the twin-box single cross section of cable-stayed bridge, it is the best way by thickening the bottom flange.
分析还表明，加厚底板对斜拉桥双箱单室箱形主梁应力分布的改善效果最佳。
The strain in the deformation zone distributes very complicatedly in cross section. The metal exchange between web and flange takes place in alternative direction as the deformation is in progress.
结果显示，变形区内横截面应变分布非常复杂，腹板和翼板间的金属交换在不同变形区域内发生方向变化。
Tests show that the cross section of the whole deck, working jointly as the lower flange of the main girder, should be taken for the calculated section subjected to longitudinal prestressing force.
试验证明，在纵向预应力作用下的计算截面应取道床板全部截面作为主梁下翼缘共同工作。
Cantilever crane beam flange web in bending due to board edge are mutually embedded, a restriction on the cross section deformation.
悬臂吊梁的翼缘板和腹板在弯曲时因板边互相嵌固，对截面变形有约束作用。
Cantilever crane beam flange web in bending due to board edge are mutually embedded, a restriction on the cross section deformation.
悬臂吊梁的翼缘板和腹板在弯曲时因板边互相嵌固，对截面变形有约束作用。
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