Kuyesa Madzi osefukira

Kuyesa kwamadzi kwa chotchinga cha kusefukira mutakhazikitsa

Pulojekiti iliyonse idzakhala yoyesedwa kuti ivomereze pambuyo pa kukhazikitsa.

Kuyesa Madziya hydrodynamic zokha zotchinga madzi ku Beijing metro.

kufunsa kanthu