Chapter 601:玄機

s that existed in Ming and early Qing dynasties would not have remained underdeveloped for so long. One major hurdle was rifling.Without a foundation of machine industry, relying solely on hand-crafti...ing expressions, like the most loyal watchdogs, staring intently at their former colleagues, trying to find someone to pick on and kill, so as to curry favor with their new master.Zhou Ping'an arrived...