查询词典 mains supply

This produces a waveform of one polarity operating at a frequency twice that of the mains supply.

经过整流后得到的是一个频率为交流电源两倍的单极波形。

Numerous types of inverter are available, but not all are suitable for use when feeding power back into the UK mains supply.

许多类型的变换器是通用的，但不是所有的适合使用，当能连回到英国的供应。

Always make sure that the shredder has been disconnected from the mains supply before you disassemble it.

务必让该碎纸机已被断开的电源，然后再拆卸它。

Powered from an internal rechargeable battery theDRUIDcan work for up to 4 hours without mains supply

通过内置可电电池，DRUID可在无主电源供应的情况下持续工作4小时。

Flexibility and reduced stock holdings cause problems when different mains supply plugs are required for different markets.

当不同的市场需要不同的主控电源插座的时候，灵活性和减少存货两者之间可能会出现矛盾。

Mains supply cannot be applied to the wires of the system.

持牌人须确保使用电力供应电源线操作的任何设备，在设计上使该供应电源线不能施用於该系统的导

In other words this makes it easy to derive a voltage of roughly 320V (+/- around 15%) DC from any mains supply in the world, this can then be fed into a relatively simple switched mode power supply.

换句话说这使它容易派生的大约 320V +/-15%左右）的电压从世界上任何电源直流，这可以然后被送入一个相对简单的开关的模式电源。

The light turns on automatically when mains supply fails, and turns off when mains power resumes.

该灯亮起时自动电源供应失败，并关闭主电源恢复时。

Generator set will take over and supply power to the load within Max.15 seconds when the mains supply fail.

当主电网突发停电时，发电机组将在15秒钟内自动完成从发电机组起动到向负载送电。

SD series power inverters for tale communication facilities are devices that invert mains supply and battery power into uninterrupted and filtered AC power to provide computer and other electric equipment with continuous power supply in the case of unstable mains supply and power failure.

SD系列通信逆变电源设备是一种将市电及电池的电能转化为不间断的、净化的交流电能的变换装置，用以给计算机和其他电气设备提供可使用的连续交流电源，以备市电的不稳定及断电。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。