英语词汇“mail cover check”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	mail cover check
释义	mail cover check 〈美〉美国联邦调查局对私人信件的秘密检查
随便看	guide pillar die guide pillars guide pillars and bushes guide pillar type die guide pilot guide pin guide pin bush guide pin bushing guide pin bushing boss guide pins guide pipe guide pipe with inner insulation guide pipe with outer insulation guide-piston guide piston guide piston complement for fuel pump guide plane guide plate guide-plate guide plate die guide plate of gear rack guide plug guide point guide pole guide position 通共有无通前彻后通前澈后通前至后通力合作通功易事通南彻北通变达权通古博今通古达变盖然性盖碗盖碗儿盖章盖老盖菜盖造盖销盖露盖革-米勒计数管