天津市水利工程维修养护定额 - Couverture souple

匿名

 
9787550928800: 天津市水利工程维修养护定额

Synopsis

Language:Chinese.paperback.Pub Date:2020-11-01.publisher:Yellow River Water Conservancy Publishing House.description:Paperback.Pub Date:2020-11-01 Pages:49 Language:Chinese Publisher:Yellow River Water Conservancy Publishing House In order to reasonably determine the maintenance costs of Tianjin water conservancy projects. unify the maintenance and maintenance budg

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