用发光二极管显示器或者液晶显示器控制其最小和最大扭矩值。内部存储器中可储存多达2000个测量数值，具有个人计算机或者串接打印机的借口。

Electronic torque Tester. Controlling of min - and maximum torque values with LED and LCD-display. Internal memory for 2000 values, interface for PC or serial printer.

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另一个碳粉打印机是打印机使用的LED阵列发光二极管，而不是造成激光碳粉粘附到打印鼓。

Anothertoner based printer is the LED printer which uses an array of LEDsinstead of a laser to cause toner adhesion to the print drum.

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