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Aikin Kula da Najasa a Kauyen Tianjiayuan
Fasahar aiki: AO+MBR
Kammalawa lokaci: Afrilu, 2017
Aikin gabatarwa: Matsakaicin ƙira na kula da najasa na wucin gadi a Tianjiayuan shine 2000m3/d, kuma magudanar ruwa bayan jiyya sun cika ka'idodin ƙa'idodin gida masu dacewa.