查询词典 mains

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。

090 Adequate illumination shall be provided with a back-up lighting system independent of the mains power supply.

要有灯光系统提供照明。还需要有一个非备用的供电设备。

Conditions under which the appliance is operated in normal use when it is connected to the supply mains.

器具按求要连接正常使用的工作状态。

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

Fresh water from the mains supply is added to Tank 4 to replace lost water.

总管导入的新鲜水从第4个槽桶注入，来补给被工件带走的流失水。

And I know I can eliminate most of the limescale deposits and an overdose of chlorine in my tap water by filtering the mains supply at home.

而且我知道，通过对家里的自来水进行过滤，我可以除去大部分石灰沉淀物和过量的氯。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。