问题
单项选择题
Automatic mechanical ventilation shutdown is required for CO2 systems protecting the（）.
A.machinery spaces
B.cargo compartments
C.living quarters
D.galley
答案
参考答案：A
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Automatic mechanical ventilation shutdown is required for CO2 systems protecting the（）.
A.machinery spaces
B.cargo compartments
C.living quarters
D.galley
参考答案：A