人身伤亡事故发生后,应立即救护受(),采缺措施制止事故蔓延扩大。...
Wednesday, September 21, 2022
气(油)缸的推力通过活塞杆将曲拐和连杆推至制动位置,可以对车辆进行制动。...
Thursday, September 15, 2022
速度160km/h及以上的列车通过邻线()分钟前,停止线路上的一切作业,人员、机具撤至安全地点避车。速度小于160km/...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Friday, September 16, 2022
Thursday, September 22, 2022
LKJ2000列车运行监控记录装置通信插件程序存储单元的容量为()KB,数据缓冲存储单元的容量为()KB。...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
蜗杆传动平稳,无噪声,主要是因为蜗杆的齿是连续不断的螺旋齿。...
Thursday, September 22, 2022
Thursday, September 15, 2022
城市轨道交通是资源节约型、环境友好型的城市交通,应该作为城市交通优先发展领域。...
Thursday, September 15, 2022
在CTCS-2级到CTCS-0级切换点前方的轨道电路应为UM71或ZPW-2000,它的长度需大于列车从160km/h开...
Thursday, September 22, 2022
Monday, September 19, 2022
禁向接触网上抛挂绳索等物体,发现接触网断线或在接触网上挂有线头、绳索、树枝等异物时,不得与其接触,必须保持10米以上的距...
Thursday, September 22, 2022
Thursday, September 22, 2022
电源板CALE为整个LEU提供工作电源,输入标称电压是DC24v,输入电压范围可以为()...
Saturday, September 17, 2022
Thursday, September 22, 2022
ITU规定G.652光纤在波长1310时其衰减不大于()。...
Tuesday, September 20, 2022