国家新闻媒体报道，十号线的信号系统大约在下午两点十分发生故障，在事故发生前通过电话采用人工调度过。
State news media reported that the line's signal system failed around 2:10 p.m. and that supervisors were directing subway trains by telephone before the accident occurred.
一旦压缩空气系统发生故障，将造成生产线停车，涂装质量恶化。
Once the compressed air system problem will cause production line parking, coating quality deterioration.
负责冲压车间所有供电、设备电气及自动化系统的维护保养和维修，保证生产线正常运行，当发生故障时，在最短的时间内修复设备。
Maintaining power system, control system of machine and equipment, automatic-control system in stamping shop, to ensure production line smoothly running. Breakdown service within the shortest time.
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