By measuring the opening coil exciting time of Permanent Magnetic Actuator (PMA), a requirement of shortening the exciting time further is proposed.
通过测试永磁机构分闸线圈激磁时间，提出进一步缩短激磁时间的要求。
By measuring the opening coil exciting time of Permanent Magnetic Actuator (PMA), a requirement of shortening the exciting time further is proposed.
通过测试永磁机构分闸线圈激磁时间，提出进一步缩短激磁时间的要求。
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