The OCGR is a microprocessor based digital type protective relay that has ground overcurrent detecting. For protecting coordination, it could be applied with.
该OCGR是一个基于微处理器的数字式继电保护已经过实地检测。为保护协调，可以适用于。
The OCGR is a microprocessor based digital type protective relay that has ground overcurrent detecting. For protecting coordination, it could be applied with.
该OCGR是一个基于微处理器的数字式继电保护已经过实地检测。为保护协调，可以适用于。
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