首先关掉电源把荧光灯管取下。
电插板和电器不用时，务必关掉电源。
Turn off power strips and electronic devices when not in use.
在检查机器之前关掉电源是很重要的。
It is important to check the power is off before checking the machine.
在检查机器之前关掉电源是很重要的。
It is very important to turn off the electricity before you check the machine.
使用完会议室的多媒体设备后，请关掉电源。
Shut off___ the power after you use the multi-media devices in the conference room.
记住关掉电源很重要。
故障去除后，关掉电源开关后再打开，电源即可恢复。
Recycle the power supply switch, and the power supply will restart after the fault removed.
这个时候如果前面忘了关掉电源，一定要记得把电源关了。
This time if the previous forget to turn off the power supply, be sure to remember to turn off the power supply.
这个时候如果前面忘了关掉电源，一定要记得把电源关了。
This time if the previous forget to turn off the power supply, be sure to remember to turn off the power supply.
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