[".、Pémonstration de闸阀调节法 Bz、变频调速法 C、改变、改变、闸阀调节法 B、变频调速法 C、改变叶轮数目法 D、切割叶轮法

2018-04-10View 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。多选题：常用的对水泵工况进行调节的方法有（）。 A、闸阀调节法 B、变频调速法 C、改变叶轮数目法 D、切割叶轮法正确答案：ABCD https://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg

Reply #22018-04-10

A、闸阀调节法 B、变频调速法 C、改变叶轮数目法

Reply #32018-04-10

多选题：常用的对水泵工况进行调节的方法有（ ABCD）。 A、闸阀调节法 B、变频调速法 C、改变叶轮数目法 D、切割叶轮法

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[".、Pémonstration de闸阀调节法 Bz、变频调速法 C、改变、改变、闸阀调节法 B、变频调速法 C、改变叶轮数目法 D、切割叶轮法

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