IEC 표준 알루미늄 도체 강철 강화 ACSR 크기 50mm2 240mm2 185mm 400mm2 전송 라인 오버 헤드 도체
Tags: 50mm2 240mm2 185mm 400mm2 AWG size overhead transmission Line, Aluminum Conductor Steel Reinforced ACSR, IEC standerd Aluminum Conductor Steel Reinforced ACSR size 50mm2 240mm2 185mm 400mm2 Transmission Line Overhead conductor
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