复数： tailbacks

Last august , a jam starting in beijing grew into a 60-mile tailback that stretched all the way to inner mongolia and lasted nine days .

去年8月，在北京发生的一次交通堵塞形成了一条60英里长的车队，一直排到了内蒙古，这次堵车时间长达九天。

The exercise of the tailback of the management of port terminals and port terminal facilities management and development rights .

行使龙尾港口码头的管理权和港口码头设施经营开发权。

According to the domestic media , a tailback of more than 1000 new cars formed behind one inspection office in beiyuan , northern beijing .

据国内媒体报道，在北京市北部的北苑，一千余辆新车在一个检查所后面形成了一条长龙。