Tianjin University's mechanical pre-push-free interview brush, Tianjin University's mechanical pre-push-free interview brush is the way of difference re-examination, that is, the admission quota is 10, which will allow the former 12~ 13 candidates to participate in the re-examination. Therefore, as long as the graduate students who enter Tianjin University are re-examined, the probability of being brushed is 20%, and the last 2~3 people are eliminated by the total score in the mechanical advance interview of Tianjin University, then the mechanical advance interview of Tianjin University will be exempted.