上海市首次成功采用非开挖内衬管技术改造大口径地下老水管

上海市首次成功采用非开挖内衬管技术改造大口径地下老水管的英文翻译

基本释义

• The Reform of a Large-diameter Buried Old Water Pipeline through Nonexcavation Technique with Lining Pipes Succeeded for the First Time in Shanghai