I le eria o le Longyan Sewage Treatment Plant i Nanchuan, Chongqing, meafaifaʻaili suʻesuʻega lelei o le vai a Sinomeasure: mita pH, okesene faʻamavae, mita turbidity, mita faʻaogaina o le palapala ma isi meafaifaʻaili ua faʻaaogaina lelei i le faʻagasologa o togafitiga, lea e tele ...
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