在机械制造行业里，排样主要研究零件的布局，目的是提高材料利用率，同时满足加工工艺的要求。
In the industry of mechanical manufacturing, packing is to research how to lay parts on the stuff to achieve higher material utilization ratio and better process technics.
本单位是集机械制造和耐火材料为一体的工业公司。
This unit is set machinery manufacturing as one of refractories and industrial companies.
钛合金材料的切削加工，历年是从事机械制造的技术人员感兴趣的问题。
The cutting technology of titanium alloy is interesting for technicians, who engage in machine manufacture.
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