外贸中各种证书英文简写，比如提单是B⼀L , I尀O是什么？？求总结！！！！

12)B/L (Bill of Lading) 海运提单
(13)MB/L(Master Bill of Lading) 船东单 （或OCEAN BILL OF LADING）
(14)MTD (Multimodal Transport Document) 多式联运单据 (15)L/C (Letter of Credit) 信用证
(16)C/O (Certificate of Origin) 产地证
(17)S/C (Sales Confirmation)销售确认书（Sales Contract）销售合同
(18)S/O (Shipping Order)装货指示书

1)FCA (Free Carrier) 货交承运人
(2)FAS (Free Alongside Ship) 装运港船边交货
(3)FOB (Free on Board) 装运港船上交货
(4)CFR (Cost and Freight) 成本加运费
(5)CIF (Cost,Insurance and Freight) 成本、保险费加运费
(6)CPT (Carriage Paid To) 运费付至目的地
(7)CIP (Carriage and Insurance Paid To) 运费、保险费付至目的地
(8)DAF (Delivered At Frontier) 边境交货
(9)DES (Delivered Ex Ship) 目的港船上交货
(10)DEQ (Delivered Ex Quay) 目的港码头交货
(11)DDU (Delivered Duty Unpaid) 未完税交货
(12)DDP (Delivered Duty Paid)