在桩基施工时对场内原有管道的保护的翻译：At the time of construction of pile foundation on existing pipeline within the field of 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

Pile on the floor in the original construction of the pipeline protection

At the time of construction of pile foundation on existing pipeline within the field of protection

When pile foundation construction to field in original pipeline protection

Piling for the construction works within the site of the original Pipeline Protection

At the time of construction of pile foundation on existing pipeline within the field of protection