人们对“柴米油盐酱醋茶”格外关注,因为那是须臾不可或缺的生活资料。但生活中还有一样天天谋面无法舍弃的物件,人们往往熟视无睹。除了在装修或者被盗时较为关注过外,平时皆不在意,这就是“门”。门,是指建筑物的出入口或安装在出入口能开能关的装置。但凡稍加思索,你就能理解这个装置重要的程 People are particularly concerned about the daily necessities of life, because it is an indispensable means of subsistence. But in life there is an object that can not be renounced everyday, and people often turn a blind eye to it. In addition to the decoration or theft is more concerned about the outside, usually do not mind, this is “door ”. Door, refers to the entrance of the building or installed at the entrance to open the device. Whenever you think about it, you can understand the important processes of this device