填空题 对背信用证 承兑信用证 备用信用证 履约信用证
限制议付信用证 付款信用证 对开信用证 担保信用证
商业票据信用 自由议付信用证 公开议付信用证 议付信用证

填空题 Stand-by L/C
填空题 Commercial Paper L/C
填空题 Guarantee L/C
填空题 Performance L/C
填空题 Negotiation Credit
填空题 Restricted Negotiation Credit
填空题 Open Negotiation Credit
填空题 Freely Negotiation Credit
填空题 Payment Credit
填空题 Acceptance Credit
填空题 Reciprocal Credit
填空题 Back to Back L/C