相邻两所间的自动闭塞电力线路和电力贯通线路主、备运行方式的确定：局由各铁路局自行确定（）
A. 管内|
B. 管外
站台与列车有缝隙，请您注意脚下安全（）
A. Please mind thestep between the lplatform and thetrain
B. Please mind thel gap between thedoor and thetrain.
C. Please mind thegap between theplatform and thetrain.
D. Please donotpush orleanagainst thedoor
请照看好您的孩子（）
A. children wererunning.
B. Please take goodcare of yourchildren.
C. He took thechildren withhim.
D. Please tell yourchildren to becareful
良渚站与双桥停车场间的闭塞区间，列车进入双桥停车场时：良渚站信号机至信号机间的区域；良渚站信号机至或信号机间的区域
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