When an electric current flows through a wire, it meets some opposition. The opposition referred to as resistance.
当电流流过导线时，它会遇到一些阻力，这种阻力就称为电阻。
2
The basic principle on electrical current measurement by electro-thermal conversion was enunciated and a kind of sensor which was made of electricwire and resistance was introduced.
阐述了采用电热转换方法测量电流的基本原理，介绍了利用电热带和热电阻构成的传感器。
3
The products of HJ electric are IGBT inverter DC arc welders, IGBT inverter DC air plasma cutting machine, resistance welders, welding wire feeder and other welding and cutting equipment.