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【单选题】
列车运行图按照列车运行速度可分为()A.
平行运行图与非平行运行图
B.
运行图与不运行图
C.
运行图与追踪运行图
D.
单线运行图与运行图
拍照语音搜题，微信中搜索"皮皮学"使用
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A.
just stared
B.
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C.
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D.
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