单项选择题

Which of the following equipment is for protection against hypothermia?（）

A.Safety helmets
B.Buoyancy aids
C.Breathing apparatus
D.Immersion suits

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单项选择题

A.Safety helmets
B.Buoyance aids
C.Breathing apparatus
D.Immersion suits

单项选择题

A.Safety helmets
B.Goggles and sepctacles
C.Breathing aparatus
D.Safety suits

单项选择题

A.Safety helmets
B.Goggles and sepctacles
C.Breathing apparatus
D.Gloves and safety boots