Why is the corridor access control system always broken?

Let me tell you one thing, which I hope will help you: the access control system is a new type of modern safety management system, which combines microcomputer automatic identification technology and modern safety management means, and it involves many new technologies such as electronics, machinery, optics, computer technology, communication technology and biotechnology. It is the teacher's way to solve the problem of balance of payments in major departments and achieve safety management. Share all kinds of confidential departments, such as banks, hotels, computer rooms, armories, confidential rooms, offices, intelligent communities, workshops, etc. This is a website about access control system: www.ytddkp.com seeks expert help! eocnmjsjcwz 3620 144 145 20 13- 10-2 1am 1 1:39:06 hbuegqicbt。