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自1988年3月起,“由布院森林一世”号内燃动车组作为特快旅游列车已运行了15年,其柴油机也运转了30年以上。为保障今后的运输安全,并提供更好的乘车旅行环境,决定对该组动车实施更新改造。工程内容包括对动车内部结构进行改造和重新装修,并更换部分柴油机和液力传动装置。改造后的内部结构更符合环保要求,更趋人性化,大幅度提高了乘车舒适性。
Since March 1988, the “EMU EMU” EMU has been operating as an express tourist train for 15 years and its diesel engine has also been operating for more than 30 years. In order to ensure the transportation safety in the future and provide a better travel environment for traveling, it is decided to implement the renovation and transformation of the group of motor vehicles. The project includes the transformation and renovation of the internal structure of the motor vehicle and the replacement of some diesel engines and hydraulic transmission units. After the transformation of the internal structure more in line with environmental requirements, more humane, greatly enhance the ride comfort.