환경 보호 매일 한 문제 (12.19)
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단일 선택문: 유동식 공기압축조에서 슬러지 부하는 물의 흐름 방향에 따라 변한다.A. 증가 B. 불변 C. 감소 D. 주기적 변화 ** C
푸시형 공기주입 탱크에서는 슬러지 부하가 물의 흐름 방향에 따라 A한다.
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