8.2 Video 1.本票,汇票与支票的区别 http://yzkc.scetop.com/gjmy/wp-content/uploads/sites/20/2021/07/本票,汇票与支票的区别.mp4 2. 信用证简介 http://yzkc.scetop.com/gjmy/wp-content/uploads/sites/20/2021/07/信用证简介.mp4 3. 跟单信用证基本流程 http://yzkc.scetop.com/gjmy/wp-content/uploads/sites/20/2021/07/跟单信用证基本流程.mp4