特殊工序操作人员必须持证上岗的翻译：Special operations operator must be a holder of 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

Special processes operator certificates

Special operations operator must be a holder of

The special working procedure operator must hold the card mount guard

Special Operations personnel must be licensed, laid-off

Special operations operator must be a holder of