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계기 케이블 3×1.5 저항

2018-05-17View Original

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예를 들어, 3×1.5 계측기 케이블의 심선 저항을 측정할 때 다음 표를 참조하십시오. 단면적이 1.5mm인 다중 연선 구리 심선의 킬로미터당 저항은 얼마입니까?
Reply #22018-05-17
중학생들에게 물어보면 답을 알고 있습니다.
Reply #32018-05-17
"GB/T3956-2008 케이블 도체"를 참조할 수 있습니다. 제조업체에 케이블 샘플이 있는 경우 샘플의 매개변수를 비교하십시오. 좀 더 자세히 알고 싶으시면 "송배전 간편 점검 및 간편 계산 매뉴얼"을 참고하세요.

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