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【单选题】
作业前后，（）负责清点作业人数、工器具、物料，线路出清、设备恢复正常。
A.
工班组
B.
施工负责人
C.
作业负责人
D.
生产调度
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【单选题】B、C类作业施工完毕后，施工负责人负责施工区域的出清后到车站或车厂销点（C1类涉及电调、环调管辖设备需通知相关调度）。需施工延点的，须提前（ ）报车厂调度或车站并征得同意。
A.
15分钟
B.
20分钟
C.
30分钟
D.
45分钟
【单选题】Subways are underground trains, which usually operate 24 hours a day. They are found in larger cities and usually run between the suburbs and the downtown area. Maps and schedules are available from t...
A.
within downtown areas
B.
away from city centers
C.
in or outside big modern cities
D.
between suburbs and city centers
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【单选题】B、C类作业施工完毕后，施工负责人负责施工区域的出清后到车站或车厂销点（C1类涉及电调、环调管辖设备需通知相关调度）。需施工延点的，须提前（ ）报车厂调度或车站并征得同意。
A.
15分钟
B.
20分钟
C.
30分钟
D.
45分钟
【单选题】Subways are underground trains, which usually operate 24 hours a day. They are found in larger cities and usually run between the suburbs and the downtown area. Maps and schedules are available from t...
A.
within downtown areas
B.
away from city centers
C.
in or outside big modern cities
D.
between suburbs and city centers
参考解析：
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