有: 5年 fifteen years通用: be in common use; be current ...電源: source; current source; elec ...的: 4次方是 The fourth power of 2 i ...通用電源: multiple power source; unps universal power supply用電池做電源的: battery operated通用電源接收機(jī): all electric receiver; all-electric receiver; all-electric set; all-electronic單電源的: unisource切斷電源的: deenergized自備電源的: self-powered通信用電源設(shè)備通用試驗方法: general test methods of power supply equipments for telecommunications備用電源: alternate power source; back power; back up power; back-ubattery; backup power source; backup source; backupsupply; emergence power; emergency electric power source; emergency power supply; reserve power source; reserve power supply; reserve source of electrical power; reserve supply; spare power source; stand by power supply; standby power su ly; standby power supply; vlr volt looreserve廠用電源: plant supply; service power; station service supply船用電源: supply飛行用電源: mission supply衛(wèi)星用電源: power source for satellite通用電報字: conventional telegraph word通用電表: unimeter; universal meter通用電池制: universal battery system通用電導(dǎo)儀: universal conductiuity analyzer通用電動機(jī): general-purpose machine; general-purpose motor; universal motor通用電光鏡: panelectroscope通用電話網(wǎng): general switched telephone network通用電機(jī): general-purpose machine通用電流表: universal ammeter