单选题If an emergency pump control is used as the emergency shutdown on a tank vessel，it must（）.Astop the flow of oil at the main deck manifoldBprevent the oil from leaving the shore facilityCprevent the oil from siphoning through the pumpDNone of the above
单选题
If an emergency pump control is used as the emergency shutdown on a tank vessel，it must（）.
A
stop the flow of oil at the main deck manifold
B
prevent the oil from leaving the shore facility
C
prevent the oil from siphoning through the pump
D
None of the above
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