结合实际生产情况，设计了与工件表面粗糙度有关的因素水平表。
The factors and levels graph related to surface roughness of the parts was designed combining practical manufacturing in this paper.
本文结合实际生产的要求，系统研究实现了高速精密零件送料系统的设计。
Combining with the actual requirements of the production, the system realized the high speed precision parts research aerating-and-conveying system design.
分析了影响锰铁产量的因素，结合实际生产情况，指出了提高锰铁产量的措施。
The factors of affection to increase output of ferromanganese is analyzed, it points out measures to increase output of ferromanganese combining with the practical production.
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