Duba zuwa sashi na ƙasa sannan ka amsa tambayar daga baya a cikin yare ɗaya kamar yadda sashi: Sashe: Daya daga cikin mahimman aikace-aikacen hydrochloric acid shine a cikin karfe na karfe, don cire tsatsa ko sikelin ƙarfe na ƙarfe daga baƙin ƙarfe ko ƙarfe kafin aiki na gaba, kamar extrusion, mirgina, galvanizing, da sauran fasahohi.
Kashi 18 cikin dari