In the initial operation of Passenger Railway, the Motor Train number is relatively short, so we can improve use efficiency of Motor Train from the maintenance point of view.

尤其是在客运专线运营初期，动车组数量相对不足，从检修角度提高动车组的运用效率更具有实际意义。

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In the initial operation of Passenger Railway, the Motor Train number is relatively short, so we can improve use efficiency of Motor Train from the maintenance point of view.

尤其是在客运专线运营初期，动车组数量相对不足，从检修角度提高动车组的运用效率更具有实际意义。

youdao