Which one of the followings might not be employed to create

题目
单选题
Which one of the followings might not be employed to create vacuum for flash type evaporator? ()
A

high-pressure steam-driven air-ejector

B

motor-driven vacuum pump

C

water-motivated air eductor

D

centrifuge pump

参考答案和解析
正确答案: C
解析: 暂无解析
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