青云翻译

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National electric power communication center. Compilation of power system relay protection regulations [g]. Beijing: China electric power press. 2000.

National electric power dispatching communication center. The electrical power system relay protection stipulated assembles the [G]. Beijing: Chinese Electric power Publishing house .2000.

national electric power dispatching center following provisions . compilation G ] [ beijing: china electric power press .2,000 . .

National electric power communication center. Compilation of power system relay protection regulations [g]. Beijing: China electric power press. 2000.