Why does Anhui Bengbu accent sometimes sound like Shaanxi dialect?

Anhui Bengbu accent sometimes sounds like Shaanxi dialect because of the border between north and south and immigration to cities. By the end of 65438+February 23, 2022, according to the relevant public information, Bengbu dialect is relatively comprehensive, that is, it is an immigrant city at the border between north and south, with Mandarin as the main dialect, and some dialects are mixed with Jianghuai dialect and Southern dialect.