Use of the winter slack season for the pump to carry out a thorough overhaul and maintenance is very necessary.

利用冬季农闲季节对水泵进行一次彻底的检修和保养是十分必要的。

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In Canton has a large service center, with various types of engineering machinery overhaul and maintenance workshop.

在广州有大型服务中心，具有各类工程机械的大修及维护车间。

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There are three conunon faults in the CATY system, and we can find out the causes and bring up the correspond methods to overhaul and maintenance it.

有线电视系统常见三种故障，分别查明原因从而拿出相应的检修及维护办法。

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What will be in demand are intercontinental air travel, remote area access where air strips are spotty, air traffic control networks, aerospace fasteners capable of holding together lighter, stronger composite structures, airplane maintenance and overhaul, jet engines and spare parts galore.

FORBES: Magazine Article

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

Now, the auto repair and maintenance industry is using social media to overhaul its Millennial outreach strategies.

FORBES: Does It Matter If Millennials Don't Know How Cars Work?