斜封
斜封-
着重叙述了该型封隔器及管柱的设计要点、工作原理和主要技术参数，简述了导斜封隔器整体性能和弹爪丢手装置承受拉力及丢手的室内和现场试验情况。
The design features , working principle and main technical parameters of the packer and string are described , and lab test and field test are made .
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此外，副通道以所需的一定间隔横向或斜向焊封或胶粘而分隔成纵向节段；
Two vertical edges of the utility model are overlapped and welded up or glued to form a main channel and an assistant channel .