“专用自动小交换机”概念、定义、翻译-科学时代

单词	专用自动小交换机
释义	市政工程词汇手册 PABX (private automatic branch exchange) 专用自动小交换机
随便看	fixed fire extinguisher fixed fire extinguishing facilities fixed fishing gear fixed flow faucet fixed flow rate valve fixed focus camera fixed focus (FF) fixed form fixed-frequency generator fixed frequency source fixed-fuel reactor fixed general tariff fixed grate fixed-grate-type gas producer fixed groundwater fixed guide bar fixed handling machinery fixed head star tracker fixed impediment fixed income fixed income fixed-income instrument fixed income securities fixed incremental pay scale fixed increment method

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。

PABX (private automatic branch exchange)