eps format, keyword: progress of the download progress…… Operation progress window material 操作 進展 視窗 操作進度視窗材料
outline doctor lineart microscope surgeon operation during Surgeon During Operation clip art 外科醫生 期間 操作 操作過程中的外科醫生剪貼畫
computer diagram symbols chart data flow berteh constructs Berteh Flow Diagram Symbols clip art 流 關係圖 符號 Berteh 流程圖符號剪貼畫