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针对工矿内燃机车运行时的噪声声源及传送方式，从结构设计、吸声和消声、密封性等三个方面，对工矿内燃机车进行了实验数据比较及理论分析论证，阐述了降低工矿内燃机车司机室内噪声的有效途径，并应用于实际设计。
According to the noise sources and transmission modes of industrial and mining diesel locomotives, the experimental data of industrial and mining diesel locomotives are compared and theoretically analyzed from three aspects of structure design, sound absorption and anechoic, and tightness. Locomotive driver indoor noise effective way, and applied to the actual design.