mains

My new house is not yet connected to the mains.

我的新房子还没接上水、电、煤气呢.

The hum of mains electricity is causing this gentleman some discomfort.

电流发出的嗡嗡声让这位办公室职员快崩溃了.

They plug into the mains.

它们接到了干线上。

The capital has been without mains water since Wednesday night.

从周三晚上开始，首都就停水了。

Make sure plugs are disconnected from the mains.

确保插头与电源断开。

The lower strength ratio of mains to fibre, the better-improvement is.

基体与纤维强度比值越小, 材料性能的改善越大.

It is mains or battery powered.

它是由电源或者电池供电的。

The battery charger plugs into any mains socket.

这个电池充电器可以插入任何类型的电源插座.

First, disconnect the boiler from the water mains.

先将锅炉与供水总管断开。

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 electricity supply has been cut off / disconnected at the mains.

电力供应已在电源处截断.

The area has now been wired up to the mains.

这个地区现在已经接通电源了.

Water is supplied from the mains.

水是从总管道来的.

Expansion joints of various kinds are fitted on gas mains.

各种各样的伸缩接头被安装在煤气的总管道上了.

The transparency principle is one of the mains principle of WTO.

透明度原则是WTO的主要原则之一.