... 列车运行图 train diagram 列车运行图的种类 classification of train working diagrams 列车运行线 train path ...
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我国铁路负荷重、路网结构和开行列车种类复杂的特点更加大了列车运行图编制的难度;
Our country's railroad has the character of heavy load, complex network structure and train type, which aggravate the difficulty of train diagram establishment;
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