定阻输出式分压箱 fixed resistance output olt ratio box: 定阻输出式分压箱; 定阻输入式分压箱fixed resistance input olt ratio box: 定点法标定; 定阻输入式分压箱box-type resistance furnace: 箱式电阻炉decade type resistance box: 十进位电阻箱volt box: 分压电阻箱; 分压器; 分压箱; 伏特盒下载手机词典可随时随地查词查翻译