In sum, this study will develope the hydraulicextrusion technology effectively and contribute to coal mine safety prodution.
总之，本论文的研究成果将对水力压挤技术的推广起到较大的推动作用，为煤矿安全生产做出贡献。
2
The multi-way tube joint were manufactured with advanced hydraulicextrusion-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。
3
In the paper, the modeling of hydraulic actuator is put forward and the loading boundary conditions of the clamped end of extrusion in numerical simulation of 2d stretch bending is discussed.