在国际机电贸易中，使用信用证结算方法是最为普遍的。它在很大程度上，解决了进口商和出口商双方在付款和交货的信用问题上的矛盾，促进了国际机电贸易的正常进行。国际商会（ＩｎｔｅｒｎａｔｉｏｎａｌＣｈａｍｂｅｒｏｆＣｏｍｍｅｒｃｅ）于１９９３年修订出版了《... In the international electromechanical trade, the use of letters of credit settlement method is the most common. To a large extent, it resolves the contradictions between the importer and the exporter on the issue of payment and delivery credits and promotes the normal operation of the international electromechanical trade. International Chamber of Commerce (International Chamber of Commerce) revised in 1993 published "...