As the direct transport tools in the urban mass transit system, vehicles have to fit into the environment of each city.

城市轨道交通车辆作为城市轨道交通体系的直接运输工具，其必须符合各城市相应的特殊环境。

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That came after the collapse of a bridge that was under construction as part of the city's mass-rapid transport system in September last year, killing one person.

WSJ: Death Toll in Mumbai Building Collapse Hits 74

That came after the collapse of a bridge that was under construction as part of the city's mass-rapid transport system in September last year, killing at least one person and injuring several.

WSJ: Building Collapse Kills 50 in Mumbai Suburb

They are up against the lethal road chaos of a city of 8m people that lacks a mass-transit system and where government has little control over public transport.

ECONOMIST: A small battle for the rule of law