不可撤销信用证 (不可撤銷信用證) bù kě chè xiāo xìn yòng zhèng

bù kě chè xiāo xìn yòng zhèng set phrase irrevocable letter of credit
Domain: Modern Chinese 现代汉语 , Subdomain: , Concept:
Notes: (CC-CEDICT '不可撤銷信用證')