Everything is made of atoms 原子构成世间万物 To understand electricity, its important to know something about atoms. Atoms are the building blocks of the universe. Everything in the universe is made of atoms-every star, every tree, every a...

Electricity is a secondary energy source 电是二级能源 Electricity is the flow of electrical power or charge. Electricity is both a basic part of nature and one of the most widely used forms of energy. 电是指电能的传递或电荷的流动。电既是自...

Batteries produce electricity 电池发电 An electrochemical battery produces electricity using two different metals in a chemical solution. A chemical reaction between the metals and the chemicals frees more electrons in one metal than in th...

变电 Power Transformation Y 形联结 Y-connection 避雷器 surge diverter; lightning arrester (Am）变电所 transformer station ;substation 变压器箱 transformer tank 车式变压器 transportable transformer 次级线圈 secondary winding 低压电缆箱 low...