backward extrusion [机] 反挤压 ; 逆向挤制 ; 反向挤压 ; 逆向挤压
backward extrusion die [机] 反挤压模
backward and forward extrusion 正反挤压
backward extrusion forming 反挤压
By improving the design of forging die and using press-forging and backward extrusion principle, solves the problems of 130 steering knuckle forming which can not be fully filled during forming.
通过改进预锻模膛的设计，利用镦粗成型、反挤成型的原理，有效解决了130转向节板部模锻成型时充不满的问题。
The multi-way tube joint were manufactured with advanced hydraulic extrusion-bulging forming replacing backward working methods.
采用先进的液压挤胀成形代替落后的加工方法生产多通管接头。
A method of hybrid inference based on forward inference and backward inference strategies is achieved in designing extrusion step analysis expert system.
采用正向推理与反向推理相结合的方法，开发了用于挤压工步分析专家系统的混合控制策略。
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