求翻译：从零件的结构外型分析，它的主要加工面是孔、端面，在加工中由于加工精度要求比较低，所以只是采用粗加工就可以，所以将其加工划分为粗加工和半精加工阶段，以保证加工精度。是什么意思？

From the analysis of the structural shape of the parts, the main processing surface is a hole, face in the processing of the processing precision is relatively low, so just using rough can, so its processing is divided into roughing and semi-finishing stage, in order to ensure the machining accuracy

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From the components structure outlook analysis, its main machined surface is the hole, the end surface, in processing because the processing precision request quite is low, therefore only is uses the rough machining to be possible, therefore divides its processing into the rough machining and the se

Structural shape analysis of parts, it is the main process of hole, faces, due to Machining accuracy in processing is relatively low, so only rough, so they are processed into roughing and semi-finishing stage, in order to ensure accuracy.

正在翻译，请等待...