"Yaochi i le lagi, Yuechi i le lalolagi". O le taulaga otaota togafitiga fale i Yuechi County, Guangʻan City faaaoga tatou mita pH, mita ORP, mita okesene solo, sludge concentration mita, electromagnetic flowmeter ma isi oloa e iloa ai le suʻesuʻeina o faailo autu i le faagasologa o le togafitia o otaota i nuu i tua.
