不能保证坑下作业员工有效逃离的翻译：Does not guarantee effective down-hole operation staff flee 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

Can not guarantee that the operating staff effectively to flee in the pit

Does not guarantee effective down-hole operation staff flee

Cannot guarantee under the pit the work staff flees effectively

There can be no assurance that the job employees hang effective escape from

Does not guarantee effective down-hole operation staff flee