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	Single Mode Fiber single mode fiber connector single mode fiber joint loss single mode fiber-physical medium dependent single-mode fiber's bandwidth single mode fiber (smf) single-mode fiber's splicing attenuation single mode fiber system single mode fibre single mode filter single-mode generator single mode generator single-mode He-Ne laser single model single-mode laser single mode laser single mode laser diode single mode laser oscillation single mode laser oscillator single-model assembly line single model instrument single mode operation single-mode operation single-mode optical fiber single mode optical fiber wqcj wqcq wqds wqdw wqfs wqfy wqgs wqjh wqjx wqlb だいあん【代案】だいいだいい【題意】だいいちだいいち【第一】だいいちいんしょうだいいちいんしょう【第一印象】だいいちぎだいいちぎ【第一義】だいいちじさんぎょう