文章探讨了准确探明病井故障位置和故障状态的方法，并研究了病井的同径修复工艺。
This paper discusses the method to detect the breakdown position and state of a trouble water well. It also presents a technique of the same-diameter repair of a trouble water well.
括号内的数值为SH 3410标准中规定的同径管件尺寸，相应的异径管件尺寸见产品标准。
The values of the bracket means the sizes of straight fittings defined in the codes of SH 3410, and the relevant sizes of the reducing fittings refer to the standards of production.
仿真表明同信道干扰与最大多径延迟扩展对系统性能影响很大，在通常情况下采用PDMRC具有最好的性能。
Simulation shows co-channel interference and maximum multi-path delay spread have significant impact on the BER performance and PDMRC gives the best performance in most common environment.
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