可变电阻换能器[变换器] variable resistance level transducer: 变阻式液位传感器variable-resistance transducer: 变阻传感器resistance transducer: 电阻变换器; 电阻传感器; 电阻式传感器variable resistance: 变阻器; 可变电阻variable-resistance: 可变电阻的下载手机词典可随时随地查词查翻译