生活中,有不少人经常把钥匙留在门上忘记拔,我的邻居家就因此被盗过一次。我想发明一种报警锁孔,目的是提醒人们不要忘记在开门、关门后及时取下钥匙。我的这个想法得到辅导教师和爸爸的赞同,他们认为这个想法不错。于是,我就用老师教过的一些小发明的技法,搬一搬,加一加,将门铃和锁连起来。在制作过程中,具体怎样连在一起遇到了困难。在辅导教师和爸爸的帮 In life, many people often leave the key on the door to forget to pull, so my neighbor was stolen once. I would like to invent an alarm keyhole, the purpose is to remind people not to forget to open the door, promptly remove the key after the door closed. My idea was endorsed by tutors and dads, who thought the idea was good. So, I use some of the little inventions the teacher taught techniques, moving a move, plus one plus, the doorbell and lock up. In the production process, specifically how to get together has encountered difficulties. Helping tutors and dads help