The automatic conversion of the five kinds of operating characteristics makes the electric-drive vehicle satisfy the different driving request.

五种工作特性的自动转换，使电传动车辆能够满足各种行驶要求。

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This paper studies the drivetrain of single-engine sweeper special chassis, based on analysis of vehicle characteristics and operating features, to make a new single-engine drivetrain program.

本文旨在研究节能环保型单发动机清扫车专用底盘动力系统，在分析清扫车工作特点及性能要求的基础上，制定出新的单发动机动力系统方案。

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