短語詞組短語feasibility experimental study 可行性試驗feasibility structure study 結構可行性分析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 預可行性研究階段feasibility study report 可行性研究報告;可行性報告;研究報告;翻譯mine feasibility study 礦山可行性研究 返回 feasibility study