Ole fua ole fuavai ole Sinomeasure o lo'o fa'aaogaina ile Fale Togafitiga Lafoa'i a Ya'an

Ya'an Sewage Treatment Plant e filifilia le Sinomeasure electromagnetic flowmeter, sludge concentration meter, dissolved oxygen meter, ultrasonic level gauge, ORP mea e fua ai ma isi mea faigaluega mo le poloketi faʻalauteleina fale otaota.