单选题If an operating auxiliary boiler has a water pH reading of 7, you should （）.Abottom blow the boilerBtreat the water with caustic sodaCtreat the water with chemical scavengersDreduce the water alkalinity to recommended readings
单选题
If an operating auxiliary boiler has a water pH reading of 7, you should （）.
A
bottom blow the boiler
B
treat the water with caustic soda
C
treat the water with chemical scavengers
D
reduce the water alkalinity to recommended readings
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