电费的英文：
power rate
electric charge

There is a quarterly charge for electricity.
电费每季度收一次。

a telegram with reply prepaid
复电费先付清的电报

Storage heater( electric radiator that stores heat accumulated during periods when electricity is cheaper)
蓄热电暖器(可在电费低廉时储存热能).

You can pay the electricity bill by bank giro or by bank giro credit.
您可以通过银行转帐信贷方式来支付电费。

You can pay the electricity bill by bank giro or by bank giro credit.
您可以通过银行转账信贷方式来支付电费。

"Water is included, but gas and electricity is extra. "
含水费，但煤气及电费另付。

The electrician will come round to collect the electricity fee for the month one of these days.
近日电工将来收取这个月的电费。

I have been using the air conditioner too much. I am afraid my electric bill is going to be extremely high this month.
空调用得太多了,本月电费一定很贵

Overheads: costs associated with fixed liabilities such as wages, rents, electricity, etc, of running a business.
经常开支:属固定债项的业务经营费用。例如薪金、租金水费、电费等。

smoothing power
修匀功效

These drugs are powerful.
这些药物很有效。

Applications of Power Electronics Technique in Power System
电力电子技术在电力系统中的应用

cumulative rating
累积收听率

These bonds have an AAA rating.
这些债券的信用度是3A级的。

To rate too low;underestimate.
低估对…估价太低；低估

The atmosphere was electric.
气氛很热烈。

electric cartridge
带电体唱头

This electricity is then fed into the electricity grid system
然后,这一电流被输入电网系统。