“黑市交易”概念、定义、翻译-科学时代

单词	黑市交易
释义	市场营销词汇手册 black market operation 黑市交易
随便看	seal force seal head sea life sealift readiness program seal-in alloy sealing sealing sealing sealing ability sealing alloy sealing edge sealing element sealing gland sealing gland sealing-in sealing machine sealing machine sealing medium sealing method sealing-off sealing oil sealing reliability sealing riveting sealing smoke control sealing tape

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。

black market operation