When the concave upper nut is tightened, the effect produced is exactly the same as that produced by a hammer driving in a wedge.
当上螺母的凹面与之锁紧时，其效果与用一个锤子敲进一楔子的效果完全相同。
Note the wedge-shaped area of avascular necrosis (osteonecrosis) at the upper right of this femoral head.
可见股骨头右上方楔形的缺血性坏死（骨坏死）区。
With upper bound method and least energy principle, the conditions are established of drawing and breaking workpiece with cross wedge rolling technique to form axial symmetry spare parts.
利用上限原理和最小能量原理，获得了用楔横轧工艺成形阶梯轴类件时杆部拉断的条件。
Upper step wedge and lower pass-line adjustment unit serve to compensate wear of WR diameter and BUR diameter.
上阶梯垫装置和下轧制线调整装置是补偿工作辊和支撑辊直径磨损减小的装置。
The intensity of fault is weakened by rainfall and burst, and the deformation and failure mainly occurred in upper and middle levels of the wedge formed by the faults.
断层强度受降雨和振动的影响而不断弱化，变形破坏主要集中在由断层所构成楔形体的中上部。
The intensity of fault is weakened by rainfall and burst, and the deformation and failure mainly occurred in upper and middle levels of the wedge formed by the faults.
断层强度受降雨和振动的影响而不断弱化，变形破坏主要集中在由断层所构成楔形体的中上部。
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