emergency power supply造句怎么写

3、The dimens i on of the special emergency power supply for Fire emergency luminaries.

5、Traditionally, diesel oil-based generators, storage battery, dry battery and emergency lighting equipped Ni-Cd battery are always used as standby emergency power supply.

2、Automatic throw-in equipment of emergency power supply (automatic throw-in equipment of emergency power supply) is one of them.

1、automatic throw-in equipment of emergency power supply

4、Design optimization of emergency power supply for flue gas desulphurization in 330MW unit