Multi-functional comprehensive protective relay digital display part shall be perfect, Calibration clear and accurate.

对多功能综合保护继电器的数码显示部分应完好，刻度清晰、准确。

youdao

Multi-functional comprehensive protective relay digital display part shall be perfect, Calibration clear and accurate.

对多功能综合保护继电器的数码显示部分应完好，刻度清晰、准确。

youdao