Halon extinguishes a fire by____________.(1.0)
A.breaking the chain reaction B.smothering the fire C.cooling the fire D.coating the fuel with a nonflammable surface正确答案A
Halon extinguishes a fire by____________.(1.0)
A.breaking the chain reaction B.smothering the fire C.cooling the fire D.coating the fuel with a nonflammable surface正确答案A