This is a modal window.
Beginning of dialog window. Escape will cancel and close the window.
End of dialog window.
项目名称：一种电梯模型的设计与实现
指导教师：冯慧娟、王军伟、苗青
学生信息：180469、郭文超、机设187 173489、蔡亚辉、机设171 180640、郝日华、测控183