城市供电安全
security of urban power supply
地铁供电安全
subway power supply safety
供电安全
Safely supply power
power supply security
power supply safety
electricity supply security
供电安全管理
safety management of power supply
提高供电安全可靠性
improve the safety and reliability
安全有序供电
secure and orderly power supply
安全电子交易
secure electronic transaction
safety electronic trade
safe electronic transaction
biomagnetic fluid
series capacitancesecured electronic transaction
biomagnetic effect
secure e-transaction
Set
安全电子拍卖模型
secure electronic auction model