design fee设计费designn.设计；图样；图案；目的v.设计；计划design development record设计进展记录design of machine element零件设计design of woven structure组织设计design of processing flow处理流程的设计designing for security OS安全操作系统设计design for mix proportion配合比设计design of progressive die级进模设计design of production line生产线设计design for remanufacturing面向再制造的设计design for maintainability[电] 维护率的设计