运行中遇天气恶劣信号机瞭望距离不足200m时，应适当降速，并报告（）转告列车调度员，严禁盲目赶点和臆测运行。
A. 随车机械师
B. 车站值班员
C. 车辆乘务员
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During the watch keeping at sea, routine adjustments should be （）
A. made and noted as required by the duty engineer
B. reported to chief engineer immediately after being made by duty engineer
C. never made before getting permission from chief engineer
D. made as required but not logged
成型好的水泥试饼立即放入养护箱内，养护20~24小时。
A. 正确
B. 错误
APU ECU安装在（）
A. 电子舱
B. APU舱
C. 驾驶舱
D. 后货舱
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