1.M/T( Mail Transfer) 信汇
2.S/O (Shipping Order) 装货单(俗称下货纸) 转自:考试网 - [telnote.cn]
3.G.S.P. (Generalized System of Preferences) 普遍优惠制度
4.C.C.V.O.(Combined Certificate of Value and Origin) 估价和原产地联合证明书
5.A.W. B(Air Way Bill) 空运提单
6.A/V (Ad Valorem) 从价税
