nhu the nay nhe. Dau tien xin tra loi bac nhu the nao la may ban dung truoc mot dong co oto gom co 4 xilanh thang hang thi may 1 la may phia buli truc khuyu cu nhu the 1234 may 4 la may phia banh da.
tai sao thu tu la 1342? 1342 cung chinh la thu tu sinh cong cua dong co so di nhu vay vi tai...