在国外，不等边角钢已广泛应用于输电线路铁塔。
The non-equilateral angle steel has been widely used in transmission towers abroad.
铁塔是输电线路的重要组成部分，其承载能力对于输电线路的正常运行起着重要作用。
Transmission towers are vital components of overhead transmission lines, which play an important role in the operation of electrical power systems.
铁塔是输电线路的重要组成部分，其承载能力对于输电线路的正常运行起着重要作用。
Transmission towers are vital components of overhead transmission lines, which play an important role in the operation of electrical power systems.
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