问题
单项选择题
A fire in electrical equipment should be extinguished by using（）.
A.salt water
B.foam
C.low-velocity fog
D.CO2
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
A fire in electrical equipment should be extinguished by using（）.
A.salt water
B.foam
C.low-velocity fog
D.CO2
参考答案：D
