Mark deformation to duobang English letter "D" as the foundation, the formation of a change out butterfly and take-off jump, positive, warm, warm color, give a person the affinity.
In this paper, the problems on compressive plastic deformation in the weld and the principle of welding stress and strain described by d.
讨论了焊缝是否存在压缩塑性变形问题和拉达伊d应力应变原理图存在的问题。
3
The characteristics of spiral deformation on ASSEL mill and wall thickness accuracy for thick, middle and thin tubes with various D/S value have been analyzed.