What is the most important characteristic
题型:单项选择题
问题:
What is the most important characteristic of the extinguishing agent in fighting a class C fire?()
A.Weight
B.Temperature
C.Electrical nonconductivity
D.Cost
What is the most important characteristic of the extinguishing agent in fighting a class C fire?()
A.Weight
B.Temperature
C.Electrical nonconductivity
D.Cost