• Therefore, it is necessary to come up with train - testing bed which is able to carry out various experiments such as starting up, dragging and braking etc.

    因此,构建适用不同结构特点的机车能够进行启动试验牵引试验、制动试验的机车定置试验台势在必行

    youdao

  • Therefore, it is necessary to come up with train - testing bed which is able to carry out various experiments such as starting up, dragging and braking etc.

    因此,构建适用不同结构特点的机车能够进行启动试验牵引试验、制动试验的机车定置试验台势在必行

    youdao

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