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在不具备台架冷磨合条件的地方,新修的履带式拖拉机需要被牵引,以达到冷磨合的目的;在田间出了大故障的履带式拖拉机,也需要被牵引到机站或修
In the absence of bench cooling conditions, the newly built crawler tractors need to be towed in order to achieve the purpose of cold ground together; in the field have a major failure of the crawler tractors, also need to be towed to the station or repair