单选题In a vacuum boiling evaporator, the fresh water generated is pumped out by （）.Aa brine pumpBan air ejectorCa feed water pumpDa condensate pump
单选题
In a vacuum boiling evaporator, the fresh water generated is pumped out by （）.
A
a brine pump
B
an air ejector
C
a feed water pump
D
a condensate pump
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