The advanced equipment used in key working procedures in welding workshops of the main industrialized countries in the world is introduced in this paper.
本文介绍了国外主要工业国家有关焊接车间的几道关键工序中所采用的先进工艺装备。
The basic thinking of roadside landscape planning is discussed from the aspects of guiding principles, working procedures, and key links.
首先从指导原则、工作程序、关键环节等方面入手，探讨了沿线景观控制性规划的基本思路；
Through analyzing the process, the author has offered the idea about designing the compression mold in sheet pre-curved rolling process, key points in the structure and working procedures;
通过工艺分析，给出了板料预弯卷圆压形工序中压形模具的设计思想、结构和工作过程的设计要点。
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