1) water fire extinguishing
![点击朗读](/dictall/images/read.gif)
水灭火
1.
Discussion on design features of water fire extinguishing system in Shanghai;
![点击朗读](/dictall/images/read.gif)
试述上海市水灭火系统设计的特点
2) fire gun
![点击朗读](/dictall/images/read.gif)
灭火水炮
1.
A method of improving automatic fire gun system precision;
![点击朗读](/dictall/images/read.gif)
提高自动灭火水炮精度的一种方法