Terms for subject Economy containing back-to-back Credits

English	Chinese
a back-to-back credit	转开信用证
a back-to-back credit	背对背信用证
back-to-back credit	対开信用证
back-to-back credit export first	出口为先的对开信用证
back-to-back credit export first	输出为先的对开信用证
back-to-back credit import first	进口为先的对开信用证
back-to-back credit import first	输入为先的对开信用证
back-to-back letter of credit	偿付信用证