"Yaochi kumwamba, Yuechi padziko lapansi".Malo opangira zinyalala m'tawuni ku Yuechi County, Guang'an City amagwiritsa ntchito mita yathu ya pH, mita ya ORP, mita ya okosijeni yosungunuka, mita ya sludge concentration, electromagnetic flowmeter ndi zinthu zina kuti azindikire kuwonekera kwazizindikiro zakunyumba zakumidzi.
