Grvnes ib puag ncig kev tiv thaiv tau tsim ib txheej ntawm "grvnes" SCR denitration system rau kev kho mob ntawm nitrogen oxides hauv Internal combustion engine tom qab ntau xyoo ntawm kev tshawb fawb mob.Tom qab tsim tshwj xeeb, lub kaw lus tseem tuaj yeem paub txog kev ua haujlwm ua haujlwm siab nyob rau hauv cov xwm txheej ntawm qhov tsis ruaj khov ntawm qhov kub thiab txias thiab roj zoo;Cov khoom tseem ceeb tuaj yeem tiv taus cov impurities hauv cov roj av pov tseg thiab xyuas kom lub sijhawm ua haujlwm ruaj khov ntawm qhov system.
