visa letter 上的辅助证明材料写有“BEng in Mechanical Engineering”,但是我本科学位证写的是“在机械设计制造及其自动化专业完成了本科学习,授予工学学士学位”,翻译件是“studied a 4-year undergraduate course in the specialty of Mechanical Design Manufacture and Automation, was granted the degree of Bachelor of Engineering ”,这样对专业的表达方式不同,行吗,还是重新要visa letter?