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单选题
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
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更多 “单选题Which operation should be done when launching an inflatable liferaft by hand?（）A Open the liferaft casingB Turn the valve on the CO2 cylinder to start inflationC Make sure the operating cord is secured to the vessel before throwing it over the sideD After inflation，detach operating cord from liferaft” 相关考题
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