The electricity supply has been cut off at the mains.
电的供应在电源处被切断。
The house is far from water mains and electricity and relies on its own generators.
这座房子远离自来水总管和供电网，依靠自备的发电机。
检查大型灭火系统并报告。
它们接到了干线上。
大型灭火系统加压。
Start the mains switch of control panel.
打开控制面板电源开关。
The area has now been wired up to the mains.
这个地区现在已经接通电源了。
One of the audience: "Switch off the mains"?
有一位听众说：「关掉大门？」
Know how to turn off your gas and water mains.
了解如何关闭煤气和水管。
The new house is not yet connected to the mains.
新房子(的水电)还没接上总管道。
I turned the gas off at the mains before I went out.
我出门之前，把煤气的总阀关掉了。
Power line were down, water mains have been damaged.
电力系统瘫痪，水管被破坏。
Mains connection, pre-alarm1, alarm 2, alarm 3, Fault.
电源连接，预警1，报警点2，报警点3，故障。
We can just treat the whole blackboard as mains frames.
我们可以把整个黑板当做main的框架。
Never use the cell phone while it is hooked to the mains!
所以在充电的情况下不要用手机打电话！
But I'm not sure what will happen if I plug it into the mains.
但我不能确定，如果接通插座会有什么结果。
He is using your mains electricity to recharge his car battery.
他在用你家里的电源给他的车载蓄电池充电。
The capital has been without mains water since Wednesday night.
从周三晚上开始，首都就停水了。
High ability against mains fluctuation, wide application range.
抗电网波动能力强，适应范围广。
The electricity supply has been cut off/disconnected at the mains.
电力供应已在电源处截断。
Water mains are hard to inspect, particularly if they are underground.
供水主管道特别是地下管线很难监测。
New water mains switch effect, they are practical, at the end of you!
一款水管开关效果，挺实用的，大家来看看吧！
The text includes four chapters, they are the mains of the whole paper.
其中，“正文”部分由第一章至第四章构成，它们是论文的主体部分。
With the city water mains cracked, for a while there was not enough water.
这里的自来水管道破裂，白花花的水冲涌而出。
Carrier current systems use the power line mains to transfer information between remote locations.
电力线载波通信系统利用电力线来实现远程数据传送。
Carrier current systems use the power line mains to transfer information between remote locations.
电力线载波通信系统利用电力线来实现远程数据传送。
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