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Ihe mejupụtara ụlọ elu jụrụ oyi - igwe nju oyi
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Akụkụ dị iche iche nke ụlọ elu jụrụ oyi
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Kabinet njikwa ọgụgụ isi
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YSS mmiri-mmiri nkeji oyi
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YKN square counterflow ụlọ elu jụrụ oyi
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YKH square cross-flow na-emeghe ụlọ elu jụrụ oyi
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Obere ngwugwu maka ụlọ elu jụrụ oyi
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Ụdị YBN counterflow ụlọ elu jụrụ oyi mechiri emechi
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Ụlọ elu dị jụụ mechiri emechi (ikuku mbata ugboro abụọ)
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YBH otu akụkụ mejupụtara erute mechiri emechi ụlọ elu jụrụ oyi
