This paper summarizes some typical programming methods of NC flame cutting machine based on practical work experience.
在此，结合实际工作经验，总结了几种数控火焰切割机的典型下料工艺方法。
Based on practical work, this essay explains the essence of value engineering principle, the necessity and the method of bidding in equipment purchasing.
结合实际工作，阐述了招标采购的必要性、价值工程原理的含义以及运用价值工程原理，进行设备公开招标的方法。
Based on practical work, the paper tries to summarize methodologies and procedures applied in designing and developing cultivated land balance system for Anhui province.
研究目的从实际工作出发，研究《安徽省耕地占补平衡信息管理系统》设计与开发的步骤和方法。
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