standard resistance box
... standard reactor 标准电抗器 standard resistance box 标准电阻箱 standard resistor 标准电阻器 ...
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在常规校准应用中，需要多个设备，如标准源、电阻箱和万用表。
In conventional calibration applications, multiple devices such as a standard generator, dial resistor and multi-meter were required.
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