first of all, letters and packets are collected in bags from pillar boxes, post offices and firms, in post office vans. they are then taken to the sorting office, where the bags are emptied and the letters separated from the packets. following this step, the letters are put through machines so that the stamps can be cancelled (盖销). in this process the date and place of sorting are put over the stamps on each envelop. in the next stage, the sorting of the letters takes place, according to the

　　country they are addressed to. this is done by placing them in the appropriate pigeon hole (鸽笼式分类架). sebsequently, the letters are taken from the pigeon hole and placed in baskets,which are then put onto a conveyor belt. while on this conveyor belt, the baskets are directed to the appropriate secondary sorting section by means of coding pegs. at the secondary sorting frames, the letters are put into towns in the country later, the letters are tied in bundles and a label is put on showing the towns they are addressed to.

　　finally, the letter bundles are placed in bags, which have the post office seal,post office railway number and destination code number on them, and then these are sent to the railway station.

编辑:Liuxuepaper.Com

作文地带知识拓展:

• 英语作文，是指用英语针对某一内容写出一篇文章，是英语考试最常见的一种题目类型，英语作文要求阅读、写作能力比较高，也是考生最容易失分的题型。英文书写应符合书写规范，英文字母要写清楚、写整齐、写美观，字母的大小和字母之间的距离要匀称。书写应做到字形秀丽漂亮，通篇匀称和谐。