“三级制--三级制（进口商、批发商及零售商）”概念、定义、翻译-科学时代

单词	三级制--三级制（进口商、批发商及零售商）
释义	国际贸易词汇手册 three-tier system (importers, wholesalers and retailers) 三级制（进口商、批发商及零售商）
随便看	bus bus bus bus bus busa bus and truck company bus and truck tour bus arbiter busatin busbar busbar busbar busbar busbar protection bus-based multiprocessor bus bay bus capacity utilization rate bus control chip bus control unit bus-coupling bus dispatching Busemann equation Busemann relation Bus Extension Card

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

three-tier system (importers, wholesalers and retailers)