This article presents the technique and experience of EXCEL and CAD application in data preparations, calculations and steel structure shop drawings production, which can be a reference for designers.

介绍在钢结构加工设计中如何用EXCEL进行数据准备和计算以及用CAD绘图的技巧和经验，供设计人员参考。

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MRP system is not very efficient in production planning and control of job shop, especially of the one that contains three-level structure: shop, subshop and workgroup.

物料需求计划（MRP）系统对于车间层，尤其是基于车间-工段-班组的车间层的作业计划和控制不是很有效的。

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With widespread layoffs pushing many people into business for themselves, we hear from a lot of folks who are wondering how to set up shop and structure their new work life.

FORBES: How To Make Money Without A Job