1.
The repairman disconnected the television set before fixing it.
修理工在修电视机前先把电源切断。
2.
Make sure the current is switched off at the mains before you leave on holiday.
他出去度假前一定要把总电源切断。
3.
Make sure you disconnect, the television from the mains supply before you open up the back.
打开后盖之前，一定要把总电源切断。
4.
"Flash memory, which retains data when a device's power is turned off "
闪存，在设备的电源切断后能保存数据
5.
You should disconnect TV set from the plug before you make adjustments inside it
你得将电视机电源切断后，方可调修内部。
6.
When the computer is switched off, all the data disappear.
计算机电源切断时，所有的信息会全部消失。
7.
You should have had enough sense to turn off the electricity supply before nnecting the wires
你本来应该有足够的常识,在拆开电线之前先把电源切断
8.
Switch off the gas, power, etc at the mains
切断煤气源、 电源等
9.
cause to stop operating by disengaging a switch.
切断电源使停止运作。
10.
A high-temperature cut-out isolates power supply to the heater.
高温断流器切断给通往热器的电源。
11.
The motor stopped because of its power supply being suddenly cut off .
电机停转是由于电源突然被切断。
12.
This fact enables the supply to be turned off as required by a switch.
这就使我们在需要断电时就能用开关切断电源。
13.
Do cut-off power supply before replacing saw blades.
安装或拆卸锯条时必须切断电源。
14.
Heater must be disconnected from power supply before servicing switch.
在修理热水器开关前,务必切断电源
15.
It was the work of a moment to cut off the light.
切断电源是易如反掌的事。
16.
To withdraw all power from a computer, either accidentally or intentionally.
有意或无意地切断计算机的全部电源。
17.
Safety main electric switch handle on the door tothe electric cabinet, which cuts off the main supply when the door is opened.
电柜门把手联动电源开关，在门被打开时总电源被自动切断。
18.
disconnect a telephone
切断电话线路，挂断电话