组合机床，是由大量的通用部件和少量专用部件组成的工序集中的高效率机床。
Modular machine, by the large number of common parts and a small number of specialized components of the process focused efficient machine.
此次设计的组合机床，结构简单、维护方便，大量使用了通用部件来降低制造成本，达到了设计的要求。
Besides satisfying the processing request, the structure is simple, the maintenance is convenient. The general parts are massively used to reduce the production cost and meet the design requirements.
文中对组合机床的通用部件及专用部件的选择都做了较为详细的说明。
The text inside all did to the in general use parts of the combination bed and the choice of the appropriation parts than for expatiation.
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