交换媒介

medium of exchange through the medium of closing of the exchange principal sum of the bill of exchange statements of the bill of exchange heat exchange medium the system of exchange, settlement and sales code of ethics for the exchange of information chairman of the foreign exchange and trade commission medium of international payment medium of dance medium rate of exchange compressibility of the medium heat exchange of the ocean regulate the exchange of commodities composition of the nutrient medium statement of the bill of exchange mechanics of the foreign exchange market exchange of liability on the bill