approved diploma的用法和样例：
例句
- This paper discusses the linkup of diploma education and the vocational qualification certificate in high vocational college.
文中对高职院校学历教育与职业资格证书相衔接问题进行了探讨。 - In that period, they were approved by the foreign engineer through their earnest and studious work, and PREMA POWERTEAM award the Formula Racing Machinist Certificate to them.
培训期间，他们通过认真，努力的学习和工作，得到了外方技术人员的高度评价，并颁发的方程式技师培训资格证书。
