To illustrate some important steps in construction for N9 iron tower on the sea of Song xia 220kV line of power transmission,then put forward some suggestions to analogous projects.
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释义
论述嵩厦 2 2 0kV送电线路海上N9铁塔若干重要环节施工问题 ,对同类工程施工提出几点建议
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