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

详细说明并 行工艺设计系现方法，提出产品可制造性功能要及其体系结构。

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.

结合工程例,详细说明力管桩缺陷部分加固机理和加固方法,并从施工角度给出合理防裂缝出现建议。