照明窗口在8月19日第一批和11月19日第二批工作人员关闭大约四个星期。
The lighting window closes for about five weeks on Sept. 19 for the first crew and around Nov. 19 for the second.
工作人员急忙采取了紧急措施，他们现在正尝试恢复照明。
Crews are so busy dealing with the emergencies, they have now started trying to turn lights back on.
在某些特殊情况下当正常照明因故障熄灭后，事故照明能够为工作人员及时处理故障、设备转移提供了便利。
In some special cases, when the normal lighting is extinguished because of the fault, the accident lighting can provide convenience for the staff to deal with the faults and the equipment transfer.
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