本文以直线段中间支柱上部悬挂系统为研究对象，给出了对接触网系统进行可靠性分析的方法。
This paper takes the suspension system in the middle catenary supporting as the reach object, and concludes the method to analyze the reliability of the contact system.
一个悬挂的钢结构桥体被用来连接上部空间，其穿孔板暗示了体量的轻盈。
A suspended steel bridge is used to link the upper Spaces, its perforated floor further hints at its lightness.
套管悬挂器可确保套管柱被正确地放置，它一般包括一个密封装置，以便将套管环形空间与上部的井口部件隔离。
The casing hanger provides a means of ensuring that the string is correctly located and generally incorporates a sealing device or system to isolate the casing annulus from upper wellhead components.
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