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매일 한 문제, 정답자에게는 6개의 부를 지급하며, 참가자에게는 2개의 부를 지급합니다;10월 10일

2016-10-10View Original

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단일 선택문: PVC 현탁 중합 시스템에 사용되는 원심 수펌프의 경우, 이제 물보다 점도가 높은 액체인 분산제와 같은 물질을 운반하게 된다면, 펌프의 헤드는 ( )가 될 것이다. A.감소 B.증가 C.변동 없음 답안: A.감소

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