Friday, September 16, 2022
问题:东风11型内燃机车的最大速度是()。A、160km/hB、170km/hC、180km/hD、190km/h...
Saturday, July 8, 2023
问题:各机务段()应进行一次《内燃、电力机车检修工作要求及检查办法》对...
Friday, September 16, 2022
Sunday, September 11, 2022
Friday, September 16, 2022
问题:调速器是通过控制喷油泵的()达到不同制供油量的。...
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
问题:东风11型机车柴油机气缸盖总装后,须用()检验气门与气门座的密封...
Tuesday, September 13, 2022
问题:东风8B型内燃机车更换整流元件时须进行选配,使其正向峰值压降与原...
Friday, September 16, 2022
问题:DF7C型机车旁承装置是机车车体与转向架之间的()关节。A、固定B、活动C、不受力D、润滑...
Sunday, July 23, 2023
Sunday, September 11, 2022
问题:齿轮箱表面经人工除垢后,送至专用煮洗间清洗,不得有残留杂物。...
Sunday, September 11, 2022
问题:侧摆、摇头和侧滚主要是由轮对的减磨形踏面引起的()。...
Friday, September 16, 2022
问题:计算:有一直齿圆柱齿轮,模数m=3mm,齿数Z=24,求齿顶圆直...
Sunday, September 11, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:游标量具包括游标卡尺、深度游标卡尺、()和齿厚游标卡尺。...
Friday, September 16, 2022
问题:机车中修更换新箍采用热套装时,需加热均匀且温度不超过()。...
Sunday, September 11, 2022
Sunday, September 11, 2022