3.2.11 系统防雷及接地装置的翻译：3.2.11 system lightning protection and earthing device 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

3.2.11 lightning protection and earthing systems

3.2.11 system lightning protection and earthing device

3.2.11 System anti-radar and grounding

11 * 3.2 system mine and grounding devices

3.2.11 system lightning protection and earthing device