单选题Which one of the followings is not required on survival crafts?（）AAnti-seasickness medicineBImmersion suitsCAxesDLifebuoys
单选题
Which one of the followings is not required on survival crafts?（）
A
Anti-seasickness medicine
B
Immersion suits
C
Axes
D
Lifebuoys
参考解析
解析：
暂无解析
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