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本文介绍河北省西部电网220kV输电线路使用的预应力叉梁的设计特性,制造工艺,试验结果、使用情况和它的技术经济效益。
This paper introduces the design characteristics, manufacturing process, test results, use conditions and its technical and economic benefits of prestressed fork beams used in the 220 kV transmission line of Western China Power Grid.