这种不正常螺纹在成形及校准过程中，又会反作用给工艺系统造成不良后果。
During the process of formation or calibration of such abnormal thread, such can feed back to result bad in technology system.
结论：屈氏韧带位置异常、螺纹征及盲肠异位是肠旋转不良的特异性征象；
Conclusion :The malposition of duodenojejunal junction, "whorl" sign and abnormal cecal position are special signs of intestinal malrotation;
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