- 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
- fixed resistance output olt ratio box: 定阻输出式分压箱; 定阻输入式分压箱
- fixed to variable input ratio: 固定投入与可变投入比率
- box-type resistance furnace: 箱式电阻炉
- decade type resistance box: 十进位电阻箱
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