中列分内、外两对骨化中心，能转化为顶间骨；
The upper pair of ossific centers may develop into preinterparietal bone.
全橡胶杯形外底，人字型骨纹式样，超强耐磨特点；
Full rubber cup outsole, man-shaped bone pattern style, super wear-resistant characteristics;
全橡胶杯形外底，人字型骨纹式样，超强耐磨特点；
Full rubber cup outsole, man-shaped bone pattern style, super wear-resistant characteristics;
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