Perhaps their own maintenance engineers have spotted the trouble and fixed it.

或许他们的维修工程师查出了缺点，并且自行修理了呢？

youdao

Support, guide maintenance engineers to manage spare parts to ensure the spare parts are available in maintenance work.

支持指导维修工程师管理备件， 确保备件可用；

youdao

Our technical team includes: mechanical engineers, software engineers, test engineers, installation and maintenance engineers.

我们的技术队伍包括：机械工程师，软体工程师，实验工程师，安装和维修工程师。

youdao

The voice and gesture-controlled rig is targeted at maintenance engineers, the emergency services and other organisations.

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Potential users include maintenance engineers in remote locations, construction workers, architects and warehouse staff pulling stock off the shelves following complex computerised schedules.

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Practical experience with a real commercial aircraft is a requirement of the Civil Aviation Authority (CAA) if students are to qualify as licensed aircraft maintenance engineers.

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