die hole meaning in English

拉模孔
模孔

Abstract : to decrease bending and twist deformation of non - sym metry extruded sections , a new conception of local extrusion ratio and die band ratio has been set up , and also the formulas for the place of die hole on the ba sis of simulating test
文摘:为减小非对称型材挤压的弯扭畸变,在试验研究的基础上,建立了局部挤压比、挤压带系数的概念,挤压筒中心与挤压模孔型中心相对位置的计算式。