常规 Author supervision over the construction of sewer networks and a wastewater treatment facility for multi-storey residential buildings in the village of Kurmontu, Balbai Aiyl Okmotu, Issyk-Kul oblast
需求方：Author supervision over the construction of sewer networks and a wastewater treatment faci国别：KY/KY规模：面议品类：矿产·金属