常用基本文件的英文

• active master file

• 常用:    in common use
• 基本:    basic; fundamental
• 文件:    document; file; papers; inst ...
• 常用基本项目:    active master item
• 基本文件:    basic documents; part one: the main documents for visa application; part one：main documents for visa application; the main documents for visa application