Based on the study of features of sheet metal parts and zero thickness hypothesis, a new method of s

中文解释

在对钣金件特征研究和“零厚度”假设的基础上，提出一种钣金件自动展开新方法。

正在查询

价格 scent hair persist unreasonably conversation among the guests at available opportunity dodging ability remain a little water news review high blood pressure drawing-room car