particularize GRE

To particularize the implementation of the concurrent process planning systems, and put forward the functional requirements and architecture of product manufacturability evaluation.

细说明了并 行艺设计系统实现方法，提出了产品可制造性功能要求及其体系结构。

Based on practical example,the authors of this paper particularize the method how to deal with the crevice and give some suggestions to prevent it.

结实例,细说明了预应力管桩缺陷部分加固机理和加固方法,并从施角度给出了理预防裂缝出现建议。