工件在本工序加工之前的情况。
Processing of the workpiece in the process the situation before.
通过对非设计基准定位的工件批量性加工实例的分析，探求其工序尺寸及其偏差的简捷计算法。
Through analyzing the example of a batch of production located by non-design reference, the paper seeks a kind of simple and convenient arithmetic for the size and deviation of working procedure.
目前已具备机械加工工序较为完整的生产能力，能满足不同用户对机械加工件的要求。
Now have more complete machining processes of production capacity, to meet the needs of different user parts machining requirements.
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