系统大大优化地区变电站的数据管理模式，具有较好的推广价值。

The system optimizes the data manage mode of substation, has worth of extending.

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因此，如何在多年冻土地区进行变电站接地系统的设计，是设计中一项很关键的工作。

So, how to proceed with the design work of the substation grounding system in permafrost region is a key step in the whole design work.

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本文介绍了变电站冲孔灌注桩在石灰岩溶洞地区的施工过程中出现的主要问题和所采取的措施以及作者在施工中获得的一些体会。

In this paper authors introduced a series of measures adopted to settle problems of grouted stake in karst areas and experience of learning from construction of driving grouting piles.

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