这里所说的“两单”是指调拨单中的包装单和结算单。包装单即随货同行联，它跟随图书一块中转，书到单到。结算单即划款联，一般通过银行、邮局从发货店传递到收货店，发货店凭此联向收货店结算书款。图书发行工作可概括分为进、销、调、存、储五个环节，“两单”是联系各... Here to talk about the “two single” refers to the transfer order in the packing list and billing. Package that is linked with the goods counterparts, it follows a book transit, the book to a single. Clearing House that draw money couplets, usually through the bank, post office delivery from the delivery shop to the receiving shop, delivery shop to the receiving shop settlement bill. Book distribution can be divided into five parts: import, sale, transfer, storage, storage, “two single” is to contact the ...