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怎样进行信件分类(How to Sort Letters)

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firstofall,lettersandpacketsarecollectedinbagsfrompillarboxes,postofficesandfirms,inpostofficevans.theyarethentakentothesortingoffice,wherethebagsareemptiedandthelettersseparatedfromthepackets.

followingthisstep,thelettersareputthroughmachinessothatthestampscanbecancelled(盖销).inthisprocessthedateandplaceofsortingareputoverthestampsoneachenvelop.inthenextstage,thesortingoftheletterstakesplace,aordingtothe

countrytheyareaddressedto.thisisdonebyplacingthemintheappropriatepigeonhole(鸽笼式分类架).sebsequently,thelettersaretakenfromthepigeonholeandplacedinbaskets,whicharethenputontoaconveyorbelt.whileonthisconveyorbelt,thebasketsaredirectedtotheappropriatesecondarysortingsectionbymeansofcodingpegs.

atthesecondarysortingframes,thelettersareputintotownsinthecountrylater,thelettersaretiedinbundlesandalabelisputonshowingthetownstheyareaddressedto.finally,theletterbundlesareplacedinbags,whichhavethepostofficeseal,postofficerailwaynumberanddestinationcodenumberonthem,andthenthesearesenttotherailwaystation.