push-type grader

例句：

1. 1.The push-type grader is easyto use and accurate.
   推式评分器使用起来简单且准确。
2. 2. Thepush-type graderis a popular choice for studentswho need to quickly calculate their scores.
   推式评分器是那些需要快速计算分数的学生的热门选择。
3. 3. The push-type grader can be used toscore multiple tests in one go.
   推式评分器可以一次性评分多个测试。