Practice testifies that practice of this kind of reverse well track type project is feasible for the drilling and development of short displacement, the shallow vertical depth horizontal well.
实践证明，对于短位移、浅垂深的水平井钻进开发，实施这种“反勾”型方案是切实可行的。
On the basis of imaging characteristics the fracture of lamina of vertebral arch was divided into 5 types: vertical, transversal, "7" -graphemic or reverse "7" -graphemic, "s" and displaced.
根据影像特点将椎板断裂形态分为纵向型、横向型、“S”型、“7”字型与反“7”字型及断裂移位型5型。
At present, TMD, DTMD, MTMD are used to control the bridge flutter, in order to control the vertical movement or reverse movement of Bridges.
目前控制桥梁颤振大多采用TMD、DTMD、MTMD等机械装置来控制桥梁竖向运动或扭转运动。
At present, TMD, DTMD, MTMD are used to control the bridge flutter, in order to control the vertical movement or reverse movement of Bridges.
目前控制桥梁颤振大多采用TMD、DTMD、MTMD等机械装置来控制桥梁竖向运动或扭转运动。
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