电阻器通常分为三大类：固定电阻，可变电阻，特种电阻。
Resistor are usually divided into three series: fixed resistors, variable resistor and special resistance.
本文讨论了一种用于控制特种电阻焊机的单片机控制系统。
A micro controller unit control system for special type resistance welding machine is developed in the pa-per.
适用于中温烧成制作特种电路的内部连线及端头引出线，PTC热敏电阻及半导体陶瓷器件电极等。
Firing temperature for the production of special circuits in the internal connection and End Lead, PTC thermistors, and semiconductor ceramic device electrodes.
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