alternate power
词语: alternate power
解释: 备用电源
词典: 消防专业英汉词典
alternate power 相关解释
备用电源 emergency power supply
备用电源 emergency power supply;standby power supply
备用电源 reserve source of electrical power
备用电源 spare power source
备用电源 emergency power supply;reserve power supply;reserve supply;stand by power supply