单选题A low pressure annular preventer which is used to direct flow of kick fluids away from the rig floor is called a （）.Adump valveBdeflectorCseparatorDdiverter
单选题
A low pressure annular preventer which is used to direct flow of kick fluids away from the rig floor is called a （）.
A
dump valve
B
deflector
C
separator
D
diverter
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