只要能满足零件的经济精度要求,无论何种生产类型,都应首先考虑采用...
Sunday, September 11, 2022
STl600型闸谪器采用杠杆控制式结构安装在车辆上时,闸调器应安...
Sunday, September 11, 2022
GK阀选配活塞环时,装入铜套内,工作状态的搭El间隙须不大于()...
Saturday, September 17, 2022
夜间作列车试验时,手信号的显示是手持白色信号灯,当灯光作圆形转动...
Saturday, September 17, 2022
NSW型手制动机原采用拉铆钉组装的车辆拉铆后目测检查铆接质量,套...
Saturday, September 17, 2022
Tuesday, September 13, 2022
Sunday, September 11, 2022
Tuesday, September 13, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
用单车试验器进行制动安定试验,120型制动机开启专用安定试验位,...
Sunday, September 11, 2022
新组装的轴承一般轴温偏高,但运行一段时间后,轴温会趋向稳定的。...
Tuesday, September 13, 2022
Thursday, September 15, 2022
金属板四周呈波纹状,用延展法进行矫平时,锤击点应()。...
Tuesday, September 13, 2022
Sunday, September 11, 2022
204轴承表示G级精度轻窄系列,单列向心球轴承,内径为()mm。...
Saturday, September 17, 2022
装用16型或17型车钩的铁路货车折角或直端塞门的纵向中心与车钩水平中心线的垂直距离为()。A、(12±10)mmB、(15±20)mmC、(10±15)mmD、(15±25)mm...
Friday, April 12, 2024
车辆弹簧是采用什么钢材制造的?其代号的意义是什么?主要成分及机械...
Saturday, September 17, 2022
Saturday, September 17, 2022
Sunday, September 11, 2022