轉碼失敗！請您使用右上換源切換源站閱讀或者直接前往源網站進行閱讀！轉碼失敗！請您使用右上換源切換源站閱讀或者直接前往源網站進行閱讀！the Qin Empire is already widespread now. From large red-clad cannons to small fireworks for the common folk, it's no longer anything new.But all of these gunpowder, without exception, are the least e...