mro maintenance repair and overhaul
维修保养和大修
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It's not surprising, then, that recent reports show that cabin modifications, especially those that favor upper-class travelers, are the fastest-growing segment of the airline MRO (maintenance, repair and overhaul) industry.
CNN: Amazing first-class air cabins
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