stand by batterystandby batterystandbybattery备用: reserve; spare; alternate; b ...备用蓄电池组: storage battery reserve共用电池组制: common battery system备用电池: emergence cell; emergency battery; emergency brake; emergency cell; reserve battery; spare battery; stand by battery; stand-by power battery; standby battery紧急备用电池: emergency battery下载手机词典可随时随地查词查翻译
