A、 无功损耗
B、 空载损耗
C、 涡流损耗
D、 短路损耗
答案：C
A、 无功损耗
B、 空载损耗
C、 涡流损耗
D、 短路损耗
答案：C
A. 正确
B. 错误
A. 正确
B. 错误
A. 共同确认救援列车解钩完毕退行的区段空闲
B. 关闭相关车站出站信号机
C. 通知救援列车解钩完毕退行位置
D. 确认被救援列车的车载信号开启
A. 运营时间乘客携大件物品
B. 放行孕妇或残疾人
C. 放行外委人员
D. 突发情况使用
A. 反方向运行时
B. 区间疏散乘客时
C. 列车清客时
D. 由人工升级自动驾驶时
A. Your attention please! Please add-value at the Custermer Sercice Center as the Value Machines are not working. We apologize for any inconvenience this might cause.
B. Your attention please! Please buy ticket at the Custermer Sercice Center as the ticket machines are not working. We apologize for any inconvenience this might cause.
C. Your attention please! Please follow staff directions to enter as the entry gates are not working. We apologize for any inconvenience this might cause.
D. Your attention please! Station lighting is under emergency repair but trains are still running. Please contact staff if you need any assistance. We apologize for any inconvenience this might cause.
A. 过流
B. 过载
C. 欠电压
D. 失电压
A. 消除危及人身安全与健康的不良条件和行为
B. 防止事故和职业病
C. 保护劳动者在劳动过程中的安全与健康
D. 约束和限制用人单位
A. 轨距
B. 曲线
C. 轨温
D. 坡度
A. 普通单程票
B. 预制单程票
C. 出站票
D. 优惠票
