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공정공학 지역 – 계측 자동제어 기술 교류판 – 매일 한 문제 – 11–06번 문제

2019-11-06View Original

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공정공학 지역 – 계측 및 자동제어 기술 교류판 – 매일 한 문제 – 11–06번 문제: 빈칸 채우기: II등급 방폭 전기 장비는 세 가지 등급으로 나뉘며, 그 표시는 ( ), II B, ( )입니다. 정답: ⅡA ⅡC 
Reply #22019-11-06
II등급 방폭 전기 장비는 3개 등급으로 나뉘며, 그 표시는 (IIA), IIB, (IIC)입니다
Reply #32019-11-06
IIA, IIB, IIC

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