有丰富工作经验,2004年前,是电气服务工程师,负责电气设备安装调试.的翻译：With rich experience, before 2004, electrical engineer, is responsible for the electrical equipment installation and commissioning. 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

Has extensive experience in 2004, is an electrical service engineer, responsible for electrical equipment installation.

With rich experience, before 2004, electrical engineer, is responsible for the electrical equipment installation and commissioning.

Has the rich work experience, 2004 ago, is electricity service engineer, is responsible for the electrical equipment install the debugging.

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With rich experience, before 2004, electrical engineer, is responsible for the electrical equipment installation and commissioning.