问题:配气机构在冷态时必须预留一定的间隙,通常称为()间隙...
Sunday, September 11, 2022
Friday, March 22, 2024
问题:一般内燃机车均采用()来实现对柴油机的转速调节和功率的调节。A、联合调节器B、牵引电机C、过渡装置D、司机控制器...
Wednesday, March 20, 2024
问题:曲轴因工作时受扭转应力的影响,因而它不易产生疲劳破坏...
Sunday, May 28, 2023
Saturday, October 14, 2023
Friday, March 15, 2024
Saturday, October 14, 2023
Wednesday, March 20, 2024
Thursday, October 12, 2023
问题:膨胀水箱的作用是放出冷却系统中的气体,同时向系统内补冷却水。...
Monday, September 12, 2022
Friday, March 22, 2024
问题:对机车柴油机来说,通常机车每行走()需化验一次水质...
Friday, March 15, 2024
问题:配气机构由那两部分组成()A、气阀机构,气阀驱动机构B、气阀机构,机械驱动机构。C、气阀机构,电磁驱动机构。D、气阀机构,电控驱动机构...
Wednesday, February 7, 2024
Monday, September 12, 2022
问题:燃油系统的功用是保证()向气缸内提供清洁的燃油。A、定势,定数,定质。B、定时,定质定量。C、定质,定量。D、定时,定量。...
Wednesday, March 20, 2024
Wednesday, March 20, 2024
问题:燃料供给系统的功用之一是()、()、()、地将柴油喷入燃烧室内。...
Wednesday, February 7, 2024
Thursday, July 13, 2023
问题:πK=1.8时,为()增压。A、低B、中C、高D、一般...
Sunday, December 10, 2023
问题:属于冷却系统的部件是()。A、机油冷却器B、输油泵C、喷油泵D、水泵...
Friday, March 22, 2024