The most important thing to remember when launching an inflatable liferaft by hand is to（）. A:open the CO2 inflation valve B:open the raft container C:ensure that the operating cord is secured to the vessel D:inflate the raft on the vessel，then lower it over the side

The most important thing to remember when launching an inflatable liferaft by hand is to（）.
A:open the CO₂ inflation valve
B:open the raft container
C:ensure that the operating cord is secured to the vessel
D:inflate the raft on the vessel，then lower it over the side

出自：海船船员证

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