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공정공학 지구-계측 자동제어판-매일 한 문제-제2020-05-18문제

2020-05-18View Original

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공정공학 지역 – 계측 자동제어 판 – 매일 한 문제 – 2020-05-18일자 문제 단일 선택형 문제: 122. 고압 조절밸브의 수명에 영향을 미치는 주요 원인은 ( )입니다. A. 기공현상 B. 부식 C. 침식 정답: A. 기공현상
Reply #22020-05-18
이 게시물은 마지막으로 1후춘생39님이 2020-5-18 09:05에 수정했습니다

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