介绍了管线探测的几种方法，结合实例，对近间距并行管线的几种探测方法的效果进行了比较。
This paper describes several methods for detection of short-interval parallel pipelines and, with practical examples, makes a comparison of their effectiveness.
结合RD 4000管线探测仪在实际工作中常遇到的近间距并行管线、多电缆管道、非金属管线等探测难题，进行探讨和总结。
It probes and summarizes the use of this device with multiple real world pipeline detecting examples like the close distance parallel pipelines, multi - cable pipelines, and nonmetal pipelines.
结合RD 4000管线探测仪在实际工作中常遇到的近间距并行管线、多电缆管道、非金属管线等探测难题，进行探讨和总结。
It probes and summarizes the use of this device with multiple real world pipeline detecting examples like the close distance parallel pipelines, multi - cable pipelines, and nonmetal pipelines.
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