单选题The primary method by which water spray puts out fires is by（）.Aremoving the oxygenBcooling the fire below the ignition temperatureCremoving combustible materialDdiluting combustible vapors
单选题
The primary method by which water spray puts out fires is by（）.
A
removing the oxygen
B
cooling the fire below the ignition temperature
C
removing combustible material
D
diluting combustible vapors
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