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单选题
A fire pump may be used for other purposes if（）.
A
the other services are run off a reducing station with a pressure gage
B
one of the required pumps is kept available for use on the fire main system at all times
C
no relief valves are installed
D
all of the above conditions are met
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更多 “单选题A fire pump may be used for other purposes if（）.A the other services are run off a reducing station with a pressure gageB one of the required pumps is kept available for use on the fire main system at all timesC no relief valves are installedD all of the above conditions are met” 相关考题
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