["'un jour à l'autre,'un jour à l'autre;'un jour à l'autreD'un jour à l'autre

2018-03-25View 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：水泵在运行过程中，由于叶轮等部件磨损以及管路积垢等原因，工况点会()。. A、左移 B、右移 C、上移 D、下移正确答案：A https://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg

Reply #22018-03-25

水泵在运行过程中，由于叶轮等部件磨损以及管路积垢等原因，工况点会(D)。. A、左移B、右移C、上移D、下移

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["'un jour à l'autre,'un jour à l'autre;'un jour à l'autreD'un jour à l'autre

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