单选题To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.Areplace the gasket in the male couplingBreduce fire pump pressureCreplace the gasket in the female couplingDrethread the male coupling
单选题
To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.
A
replace the gasket in the male coupling
B
reduce fire pump pressure
C
replace the gasket in the female coupling
D
rethread the male coupling
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