国产轻轨车辆采用铰接式、短轴距转向架及大截面铝合金车体等先进技术，实现了3、4、5辆车灵活编组及单辆车的双向运行。简要介绍车体、转向架、主电路、辅助电源、制动等主要系统和部件的特点及其技术参数。

This article introduces domestic light rail vehicles， which adopt advanced technologies such as articulated carbody， short wheelbase bogie and large hollow extruded profile aluminum alloy carbody． One train consists of 3 ～ 5 vehicles and each vehicle can be operated on two ends． Characteristics and technical parameters of several main systems and parts including carbody， bogie， main circuit， auxiliary power supplyand braking system are briefed．