分级模块式变速箱CAD是基于成组技术的一种新型设计方法。

The hierarchical-modularized gear-box CAD was a new designed method based on group technology.

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分级模块式变速箱CAD是基于成组技术的一种新型设计方法。

The hierarchical-modularized gear-box CAD was a new designed method based on group technology.

youdao