关于离心式水泵的优点，下列说法正确的有（） A.体积小，效率高

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问题多项选择题

关于离心式水泵的优点，下列说法正确的有（）

A.体积小，效率高

B.结构简单耐磨损，噪音小

C.运行平稳，出水均衡

D.流量和流程可以调节

答案

参考答案：A, B, C, D

选择题

The fact suggested that the water _______ and to prevent this from happening again, John Snow

suggested that the source of all the water supplies ______.[ ]

A. should blame; should be examined

B. was to blame; be examined

C. was blamed; were examined

D. was to be blamed; should examine

判断题

国有独资公司设股东会。