微小型零件的加工和装配有其独特的要求。

Special requirements are needed for machining and assembling miniature parts.

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这种主轴结构的优点：主轴的加工和装配简单，造价较低。

Main advantages of this structure: the main axis of the processing and assembly of simple, low cost.

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该导向工具的实际加工和装配过程，也表明这种虚拟设计的合理性。

The actual machining and assembling process shows the rationality of the virtual design.

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