Halon gas will decompose and may form very hazardous toxic fumes when discharged .(1.0)
A.directly on flames B.at room temperature C.in an extremely cold climate D.none of the above正确答案A
Halon gas will decompose and may form very hazardous toxic fumes when discharged .(1.0)
A.directly on flames B.at room temperature C.in an extremely cold climate D.none of the above正确答案A
