The objective and concrete content of electrics and electronics network teaching system are introduced.
论述了建立电工电子网络化教学系统的目标、具体内容。
Electrician: to resolve some problems of weak electric power.
与电工的工作联系：解决弱电方面的事务。
This type of heater uses a lot of electricity.
这种加热器耗电量很大。
The main electricity supply had been sabotaged by the rebels.
叛乱者破坏了供电干线。