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

1、

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。

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2、

Booster ( pumping) station: A pumping station in a water distribution system that is used to increase the pressure in the mains on the discharge side of the pumps.

升压（泵）站：在输水系统中用以增加主要出水管道压力的泵站。

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3、

Check if the voltage indicated on the bottom of the appliance corresponds to the local mains voltage before you connect the appliance.

检查，是否电压在器械的底部上指出符合当地的输电干线电压在你连接器械之前。

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4、

Software compensation for mains voltage fluctuation of welding machine based on DSP

基于DSP数字控制焊接电源的网压波动软件补偿法

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5、

Most measurement, control, and data I/ O signals are Measurement Category I and must not be directly connected to mains voltage or to voltage sources with high transient over-voltages.

大多数测量、控制和数据I/O信号为测量类别I，不可直接连接到电源电压或存在高瞬间过电压的电压源。

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6、

The analysis and treatment of trouble of high-voltage circuit system are carried out through instance, and the effect of mains voltage fluctuation on equipment is also inquired initially.

对高压电路系统故障的实例进行了故障原因分析和处理，并对电源电压波动对仪器的影响进行了初步的探讨。

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7、

Every repeater unit is supplied with a mains power supply unit with a1.9 metre cable.

每个中继器都配备了一主电源的1.9米电缆供电单元。

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8、

Selection and mounting of power cable and termination used in 10 kV ring mains unit

10kV环网配电柜中电缆及电缆终端的选取和安装的若干问题

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9、

Discussions on Replacement of Fuse Used in 10 kV Ring Mains Unit

10kV环网负荷开关中熔断器更换问题探讨

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10、

The paper presents a design method of EMI mains filter and some points needing an attention in application.

介绍EMI电源滤波器的设计方法以及在使用过程中应注意的问题。

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11、

High Power Factors of The Mains and Soft-switch Technology

开关电源的高功率因数和软开关技术

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12、

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！

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13、

The article introduces the composition lining of the mains frequency coreless induction furnace with short coils.

本文介绍短线圈工频无心感应保温炉采用的复合炉衬。

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14、

Numerical Simulation of Electromagnetic and Thermal Fields in the Mains Frequency Induction Furnace for Melting Zinc

熔锌工频有芯感应炉电磁场和温度场的数值仿真研究

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15、

Discussion on Saving Energy Measures for Mains Frequency Coreless Induction Furnace used for Zinc Alloy Production

锌合金熔炼用工频无心感应炉节能措施探讨

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16、

To Remove Influence of the Harmonic on Mains Frequency Channel Melting Zinc Induction Furnace

消除谐波对工频有心熔锌感应炉的影响

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17、

AC Voltage Regulation Device Using Thyristors for Cored Mains Frequency Induction Furnace

工频有芯感应电炉可控硅交流调压装置

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18、

The Application of Cored Mains Frequency Induction Furnace to Production of Zinc Alloy

锌合金生产中工频无芯感应电炉的应用

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19、

Energy Balance Analysis on Mains Frequency Melting Furnace

工频熔炼炉能量平衡分析

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20、

Mains failure and emergency generator

电源故障应急发电机

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