The fire-fighting agent used to put out brake fire of A/C is _______ .
A.water
B.carbon dioxide
C.dry chemical goods (dry powder)
D.carbon tetrachloride
正确答案是C
The fire-fighting agent used to put out brake fire of A/C is _______ .
A.water
B.carbon dioxide
C.dry chemical goods (dry powder)
D.carbon tetrachloride
正确答案是C