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低粘着:指轮子踏面与轨面之间的介质呈现低摩擦力时的情况。 AB间为低粘着区(如图2所示)。在这一区间,由于电制动力大于粘着力,使轮子的
Low adhesion: refers to the wheel tread and the surface between the medium exhibits low friction situation. AB between the low adhesion area (Figure 2). In this area, the electric braking force is greater than the adhesive force to make the wheel