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，构建适用于不同结构特点的机车，能够进行启动试验、牵引试验、制动试验等的机车定置试验台势在必行。
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，构建适用于不同结构特点的机车，能够进行启动试验、牵引试验、制动试验等的机车定置试验台势在必行。
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