单选题In a diesel engine cooling water system, a pH of 60 indicates a/an （）.Aslightly acidic conditionBslightly alkaline conditionCovertreatment of waterDneutral condition of water
单选题
In a diesel engine cooling water system, a pH of 60 indicates a/an （）.
A
slightly acidic condition
B
slightly alkaline condition
C
overtreatment of water
D
neutral condition of water
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