【매일 주제】【전기판 20160914】
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참여 보상: 2재산.정답에 대한 보상: 9재산. 전자기기에서 사용될 수 있는 접지 시스템에는 ( )가 있습니다. A.TN-S B.TT C.IT D.TN-C 정답: AB
전자 장비에서 사용할 수 있는 접지 시스템에는 (A, B)가 있습니다. A.TN-S B.TT C.IT D.TN-C
A.TN-S B.TT
AB~~~~~~~~~
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