电源: source; current source; electric source; power pack; power supply; power source; source of power (supply); source of voltage; supply source; electric power supply; mains◇电源板 power panel [s
应急: meet an urgent need; meet an emergency; meet an contingency; emergency; escape; crash 短语和例子应急之用 meet the need of emergency; 在应急情况下 in case of emergency; 供应急使用 for emergency use; 我们应该对任何应急情