英语词汇“first-clsss matter”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	first-clsss matter
释义	first-clsss matter 一类邮件在美国邮政系统中,规定信件、名信片和小包裹可以密封而不受邮检
随便看	variable capacitance diode, vara-ctor diode variable capacitance generator variable capacitance parametrom variable capacitance parametron variable-capacitance parametron variable-capacitance photodiode variable-capacitance pickup variable capacitance transducer variable-capacitance transducer variable capacitator variable capaciter variable capacitor Variable Capacitor variable-capacitor variable capacitor with different capacitance Variable capacitor with equal capacitance variable capacity variable capacity amplifier variable capacity atomizer variable capacity pump variable capacity torque converter variable capcitance microphone variable-capcitance microphone variable capital variable cargo tank