Metro train is one of the most important components of urban rail transit, and scientific maintenance of metro train is the first priority to ensure the safe operation of URT.
科学地对城市轨道交通的车辆进行维护和保养是确保城市轨道交通安全运行的首要条件。
This paper analyzes the influencing factors for metro train routing and presents the calculation formula on minimum quantity of required train sets for any routing.
分析地铁列车交路设置的影响因素，给出任一交路下车底数下界的数学计算公式。
A Jiaokou bound Guangzhou Metro train departs from Guangzhou Railway Station (Line 5).
往滘口的广州地铁列车开出广州火车站(五号线)。
A Jiaokou bound Guangzhou Metro train departs from Guangzhou Railway Station (Line 5).
往滘口的广州地铁列车开出广州火车站(五号线)。
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