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1、2019年怎样进行信件分类考研英语作文 firstofall,lettersandpacketsarecollectedinbagsfrompillarboxes,postofficesandfirms,inpostofficevans.theyarethentakentothesortingoffice,wherethebagsareemptiedandthelettersseparatedfromthepackets. followingthisstep,thelettersareputthroughmachinessothatthestampscanbecancelled(盖销).int
2、hisprocessthedateandplaceofsortingareputoverthestampsoneachenvelop.inthenextstage,thesortingoftheletterstakesplace,accordingtothe countrytheyareaddressedto.thisisdonebyplacingthemintheappropriatepigeonhole(鸽笼式分类架).sebsequently,thelettersaretakenfromthepigeonholeandplacedinbaskets,whicharethenputonto
3、aconveyorbelt.whileonthisconveyorbelt,thebasketsaredirectedtotheappropriatesecondarysortingsectionbymeansofcodingpegs. atthesecondarysortingframes,thelettersareputintotownsinthecountrylater,thelettersaretiedinbundlesandalabelisputonshowingthetownstheyareaddressedto.finally,theletterbundlesareplacedinbags,whichhavethepostofficeseal,postofficerailwaynumberanddestinationcodenumberonthem,andthenthesearesenttotherailwaystation.