Combined with the electric transmission line of East Gansu, this paper discusses the application and economic efficiency of digging foundation.
本文主要是结合陇东输电线路，探讨掏挖式基础的适用情况和经济效益。
In theory, the decrease of the vacuum magnetic insulation transmission line inductance can heighten the energy transmission efficiency, can increase the load current.
理论计算表明，改造真空磁绝缘传输线，减小其自身电感，会提高能量传输效率，能够增大负载电流。
It is an important problem and struggle aspect for line fittings to increase transmission efficiency and reduce power loss in transmission and distribution lines.
在输配电线路中，提高输送效率、减小线路损耗是线路金具需要解决的重要课题。
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