The air spaces in the floor of an inflatable liferaft will provide protection against（）. A:asphyxiation from CO2 B:loss of air in the sides of the raft C:rough seas D:cold water temperatures

The air spaces in the floor of an inflatable liferaft will provide protection against（）.
A:asphyxiation from CO₂
B:loss of air in the sides of the raft
C:rough seas
D:cold water temperatures

出自：海船船员证

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