emergency lighting是什么意思 emergency lighting怎么读
emergency lighting的用法和样例
- In the event of a power failure the emergency lighting comes on automatically.
万一停电，应急照明设备会自动开启。 - Fire Emergency lighting is crucial in evacuating when a fire happens.
消防应急照明是人员在突发事故情况下安全疏散的重要保证。
展开更多
