Munzvimbo yeLongyan Sewage Treatment Plant muNanchuan, Chongqing, Sinomeasure's yekuongorora mhando yemvura zviridzwa: pH mita, yakanyungudika okisijeni, turbidity metres, sludge concentration mita uye zvimwe zviridzwa zvakashandiswa zvakabudirira kune nzira yekuchenesa tsvina, iyo yakanyanya ...
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