Which operation should be done when launching an inflatable liferaft by hand?（） A:Open the liferaft casing B:Turn the valve on the CO2 cylinder to start inflation C:Make sure the operating cord is secured to the vessel before throwing it over the side D:After inflation，detach operating cord from liferaft

Which operation should be done when launching an inflatable liferaft by hand?（）
A:Open the liferaft casing
B:Turn the valve on the CO₂ cylinder to start inflation
C:Make sure the operating cord is secured to the vessel before throwing it over the side
D:After inflation，detach operating cord from liferaft

出自：海船船员证

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