求翻译：套同类零件是机械行业最为典型的零件之一，套同类零件的内孔直径很多都不为单一的值，传统的加工方法中一般分多次加工，这样就导致孔与轴的同轴度，孔与孔的同轴度是很难控制的，随着加工技术的改进，现在有很多的加工方法可选用，但其一般为各种加工中心。是什么意思？

Sets of similar parts is one of the most typical part of the machinery industry, not a lot of sets of similar parts within the hole diameter for a single value of traditional processing methods are generally in multiple processing, thus leading to the hole and shaft concentricity hole and hole conce

It is a similar part of the machinery industry is most typical of spare parts is a similar part of the inner diameter is not a lot for a single value, the traditional methods of processing in general, processing several times as a result of the hole and the shaft to shaft, with the holes with the ho

Wraps the similar components is one of mechanical profession most typical components, as soon as wraps the similar components in hole diameter to be very many all for the sole value, in the traditional processing method does not distribute many times processing, like this causes Kong Yuzhou the prop

Sets similar parts is machinery industry most typical of parts one, sets similar parts of within hole diameter many are does not for single of value, traditional of processing method in the General min times processing, so on led to hole and axis of with axis of, hole and hole of with axis of is is

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