On the base of finite element method about contact problem , building models of the flanged connection and the sleeve connection of aircraft is introduced
2.
In the construction of the tanghe inverted siphon on mid - roule of south - to - north water transfer project , some reliable construction processes and techniques are applied such as belt conveyor with three - rail gantry , construction with combined steel formwork , straight screw sleeve connection for reinforcement and the crushed stone - planting method etc . , by which better construction effects are obtained
मोबाइल