The previous page is sending you to https://bzxb.cqut.edu.cn/html/202012/%E5%85%B5%E5%99%A8%E8%A3%85%E5%A4%87%E5%B7%A5%E7%A8%8B%E5%AD%A6%E6%8A%A5202012017.html.

 If you do not want to visit that page, you can return to the previous page.