单选题According to regulations，a cargo hose used for transferring liquefied gases must have a bursting pressure of（）.A5 times the maximum working pressure on the hose during cargo transferBone half the designed working pressureC4 times the pressure of the cargo pump used for transferringD5 times the minimum working pressure on the hose during cargo transfer
单选题
According to regulations，a cargo hose used for transferring liquefied gases must have a bursting pressure of（）.
A
5 times the maximum working pressure on the hose during cargo transfer
B
one half the designed working pressure
C
4 times the pressure of the cargo pump used for transferring
D
5 times the minimum working pressure on the hose during cargo transfer
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