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【判断题】
( )先到的列车在本站停车车等待后一个同方向的列车通过本站或到达本站停先开,叫做越行。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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A.
gravity
B.
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C.
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A.
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B.
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C.
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D.
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