Nyob rau hauv cov khoom siv dej phwj ua ke rau kev kho cov dej phwj hauv tsev hauv Yuechi qhov kev pabcuam hauv Guang'an City, peb cov khoom siv hluav taws xob electromagnetic flowmeter, ultrasonic qhib channel flowmeter thiab lwm yam twj paj nruag tau muab tso rau hauv kev siv ib txwm, paub txog qhov ntsuas qhov tseeb ntawm qhov nkag thiab tawm. ntawm cov khoom siv kho dej phwj tuaj.
