扑救电气火灾可使用哪类灭火器？
参考答案：
扑救电气火灾用干粉灭火器、二氧化碳灭火器。因为使用这种灭器的灭火药剂绝缘性能好，不会发生触电伤人事故
The people living in that apartment have free to that swimming pool.They don't have to be charged.
A．time
B．access
C．entrance
D．care
