论文部分内容阅读
东风型内燃机车的双机组安装于司机室地板底下,它所产生的噪音对司机室的影响是强烈的。因此设法降低双机组的噪音对于改善乘务人员的工作条件以确保行车安全是相当重要的。北京内燃段东风1646号机车于1976年
The double unit of Dongfeng diesel locomotive is installed under the floor of the driver’s cab, and the noise it produces has a strong impact on the driver’s cab. Therefore, it is very important to try to reduce the noise of double units to improve crew working conditions to ensure traffic safety. Beijing Dongfeng Dongfeng No. 1646 locomotive in 1976