Ikpe
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Ngwa Ngwa nke Osisi Ọgwụgwọ Gas na Changqing Oilfield
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Ngwa ngwa nke sistemu ọgwụgwọ mmiri dị nro
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Ngwa ngwa nke ụlọ ọrụ na-ahụ maka nsị mmiri na Tonglu, Zhejiang Province
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Okwu Ngwa nke Igwe ọkụ ọkụ n'ime ụlọ na Beijing
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Ngwa maka ịnye mmiri mmiri obodo na Nanjing
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Okwu ikpe gbasara ịgba ụka ndu na Ma'anshan
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Okwu ngwa nke ụlọ ọrụ ọkụ na Lu 'an City
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Ngwa nke ọrụ mmiri na Jilin
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Ngwa ikpe nke mkpofu mmiri mkpofu nlekota ogo mmiri na Chongqing
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Mmiri mmiri ozuzo Pipe Network Project na Jiaxing
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Ngwa Okwu nke Biological Fermentation na Huazhong Agricultural University
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Okwu ngwa nke ụlọ ọrụ ọkụ nwere onwe ya na ụfọdụ ụlọ ọrụ akwụkwọ na Fujian
