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单选题
下面关于水环泵的说法错误的是()
A
水环泵是容积式泵,不允许封闭运转.
B
水环泵工作过程接近等温过程.
C
水环泵中的工作水有密封作用.
D
水环泵工作中应连续补水.
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更多 “单选题下面关于水环泵的说法错误的是()A 水环泵是容积式泵,不允许封闭运转.B 水环泵工作过程接近等温过程.C 水环泵中的工作水有密封作用.D 水环泵工作中应连续补水.” 相关考题
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