指出了现有钻井泵连接管线在安装使用中的缺点，结合当前技术水平，提出了一种新的管线结构。
The paper describes the disadvantage of previous pipe line connection in use and on the basis of present technology, has a new line connection arrangement.
无论改变泵出口管线结构还是改变泵吸入口管线结构，都会对单螺杆泵的特性产生一定程度的影响。
Whether to change the pump outlet pipe structure or to change the pump intake pipe structure, and will feature a single-screw pump have a certain extent.
此外，根据结构的动态失效模型还可以确定油气管线结构在不同时期的可靠度以及结构的有效剩余寿命。
Furthermore, the reliability at different periods and the effective remaining life of oil and gas pipelines could also be determined with the dynamic failure model of structure.
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