基本解释[动力与电气工程]滑动电阻器滑臂电阻词组短语短语slide e resistor 滑动电阻器slide -wire e resistor 滑线电阻器slide resistor sliding resistor 滑动电阻器slide resistor更多词组专业释义动力与电气工程滑动电阻器滑臂电阻