单选题Access to a cargo pumproom on a tanker carrying grades A，B，C or D liquid cargoes shall be（）.Aat least 13.1 feet away from the galleys，living quarters or navigation spacesBfrom the open deckConly from areas equipped with power ventilation systemsDisolated from any part of the vessel which normally contains sources of vapor ignition
单选题
Access to a cargo pumproom on a tanker carrying grades A，B，C or D liquid cargoes shall be（）.
A
at least 13.1 feet away from the galleys，living quarters or navigation spaces
B
from the open deck
C
only from areas equipped with power ventilation systems
D
isolated from any part of the vessel which normally contains sources of vapor ignition
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