中转线 meaning in English

transfer track

This monitoring system of luggage transferring mainly completes the luggage ' s sending and controlling , including two changes trains lines such as world to our country and the opposite , two set counters of change trains for examining the ticket , and a system adjusting the speed in succession being composed of 25 transducers
这套行李中转监控系统，包括国内转国际、国际转国内两条中转线，两套中转办票柜台，以及25台变频器组成的连续调速系统。主要完成行李输送及监控的功能。