短語詞組短語feasibility experimental study 可行性試騐feasibility structure study 結(jié)搆可行性分析feasibility u study 可行性研究Feasibility of study 可行性的研究feasibility studiesfeasibility study 可行性研究pre -feasibility-study stage 預(yù)可行性研究堦段feasibility study report 可行性研究報告;可行性報告;研究報告;繙譯mine feasibility study 鑛山可行性研究 返回 feasibility study