[". ["일일 문제] 泵设备技术交流版", nâng " " "일 참여: 3장부; 정답 참여: 4장부; 주: 48시간 내에 정답 참여 시 보상 4장부; 이 게시물 유횈 시간은 48시간 입니다. 선택 문제: 속도 조절 泵设置前置泵的目的是 ( ) A. 충격 방지 B 노이즈 방지 C �汽蚀防止 D 增压 정답: D" zz " "보스는 각 문제의 정답 뒥에 설명을 추가할 수 있나요" zz

2018-03-23View Original

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参与：奖3财富；回答正确：奖10财富；注：48小时内回答正确奖励10财富，此贴有效时间48小时。选择题：调速水泵设置前置泵的目的是( )。. A、防止冲击 B、防止噪声C、防止汽蚀D、增压正确答案：Chttps://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg

Reply #22018-03-23

C，老板能在每道题答案后面增加解释吗

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