top surface of upper wedge 上楔块顶面
Hidden wedge upper-off paint 两穿高帮涂鸦款 ; 两穿高帮涂鸦鞋
upper step wedge 上阶梯垫装置
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。
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