Xav tias dawb yuav luv nqi sulphanilic acid ntawm pheej yig tus nqi ntawm peb lub Hoobkas. Raws li ib qho ntawm kev ua haujlwm sulphanilic acid cov chaw tsim khoom thiab cov muag khoom, peb ib txwm nyob ntawm koj qhov kev pabcuam.

Xa kev nug