Nyob rau hauv cheeb tsam ntawm Longyan Sewage Treatment Plant nyob rau hauv Nanchuan, Chongqing, Sinomeasure cov dej zoo ntsuam xyuas cov twj paj nruag: pH meter, yaj oxygen, turbidity meter, sludge concentration meter thiab lwm yam cuab yeej tau ntse siv rau cov dej phwj txheej txheem, uas zoo heev txhim kho qhov tseeb ntawm dej zoo tsom xam thiab guarantees siab efficiency thiab stability.
