英语翻译

问题描述:

英语翻译
These are the as-built surveys and they are used to check the contractor `s work and show locations of structures and their components ( water line ,sewer ,etc .) ,which will be needed for future maintenance ,changes ,and new construction .怎么翻译?

These are the as-built surveys and they are used to check the contractor `s work and show locations of structures and their components ( water line ,sewer ,etc .) , which will be needed for future mai...