电磁式过电流继电器调整困难、度低、靠性差、能有效的对机电设备进行保护。

Electromagnetic overcurrent relays which are difficult to be adjusted and have low accuracy and reliability can not effectively protect electromechanical equipments.

youdao

电磁式过电流继电器调整困难、度低、靠性差、能有效的对机电设备进行保护。

Electromagnetic overcurrent relays which are difficult to be adjusted and have low accuracy and reliability can not effectively protect electromechanical equipments.

youdao