通过优化组合参数，提高了拉深成形效率。
The efficiency of drawing is increased by optimization of technological parameters.
对圆锥形件的拉深成形过程进行了数值模拟。
Drawing process 'numerical simulation of conical parts was done.
曲面零件拉深成形中，应力分界圆是非常重要的因素。
The stress boundary constitutes an important factor in drawing curved surface parts.
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