励磁装置应有下列限制、保护功能的翻译：Excitation device should have the following restrictions, protection 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Excitation device should have the following restrictions, protection

The excitation equipment should have the following limit, the protection function

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Excitation device should have the following restrictions, protection