The danger associated with using carbon di
题型:单项选择题
问题:
The danger associated with using carbon dioxide in an enclosed space is().
A.frostbite
B.skin burns
C.asphyxiation
D.an explosive reaction
The danger associated with using carbon dioxide in an enclosed space is().
A.frostbite
B.skin burns
C.asphyxiation
D.an explosive reaction