Muva nje, ukuvikelwa kwezemvelo, i-Wastewater Excent Ordement Company, kanye ne-Yangzhou University School of Environment Engineering, isikole sobunjiniyela bemishini kanye nesikole sezilimi zakwamanye amazwe benze ukushintshaniswa okuningana futhi kwakha uchungechunge lwezivumelwano ...
Funda kabanzi