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【매일 주제】【환기공조판 20160927】

2016-09-27View Original

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이 게시글은 마지막으로 hesonchang214에 의해 2016-11-9 15:38에 수정되었습니다. 참여 보상: 2포인트.정답에 대한 보상: 9재산
다음 중 ( )은 회오리 분진 제거기의 효율을 떨어뜨리는 원인이 됩니다.
A. 유입 속도 증가
B. 배출관의 직경 증가
C. 실린더의 직경 감소
D. 실린더와 원뿔형 부분의 높이 증가
정답: B

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