例句與造句

1. A string potentiometer is a multi-turn potentiometer operated by an attached reel of wire turning against a spring, enabling it to convert linear position to a variable resistance.
2. The string potentiometer may be connected as a three-wire tapped resistor ( voltage divider ), in a control circuit, or may be packaged with electronics to produce a measurement signal in a useful form, such as a variable voltage 0-10 VDC, variable current 4-20mA, pulse encoder, Bus ( DeviceNet and Canbus ) and RS232 communications.
3. It's difficult to find string potentiometer in a sentence. 用string potentiometer造句挺難的