断电的英文：
power cut
electric power failure

参考例句：

Power OFF has been selected and OSD logo screen is displayed.
已选择断电，显示OSD图标。

Press the on/off switch
按开关通电[断电]

The streets were very dark during the blackout.
断电时街上黑沉沉。

Phase controlled circuit Breaker
断电相位控制器

A power failure plunged the room into darkness.
断电使房间变得一片漆黑。

A power failure plunged the house into darkness.
断电使房子陷入一片黑暗之中。

Fail to pay and they'll cut off the electricity.
你(如果)不付款，他们就要断电。

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。

Normally the oil surrounding the probes is nonconductive and the control will be de-energized.
通常情况下,环绕探头的油是不导电的,此时控制装置处于断电状态。

Deenergize the coil of the 3-way magnet valve and energize alternately by the operation of the engine protecting system.
通过主机安保系统的操作交变地断电和通电三通电磁阀。

power是什么意思：
n. 力量；动力；能力；权力；大国；机能；体力
v. 给…提供动力

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

cut是什么意思：
v. 切，割；裁剪；削减；缩短；剪切；删剪；停止；不出席；刺痛；切牌；相交
n. 切口；伤口；削减；式样；剪裁；切片；削球

That was a cut at me.
那是中伤我的话。

Gasoline cuts oil and grease.
汽油溶解油脂。

She cut a hole in the cloth.
她在布上剪了个洞。

electric是什么意思：
adj. 电的；电动的；发电的；导电的；令人震惊的
n. 电；电气车辆；带电体

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。