| 单词 | maintain a fleet | 
| 释义 | maintain a fleet The system has a blacksmith who crafts parts and tools used to maintain the fleet. Retrieved from Wikipedia CC BY-SA 3.0  To support its multi-disciplinary ocean research programmes, the institute plans to maintain a fleet of three research vessels. Retrieved from Wikipedia CC BY-SA 3.0  This shed was the first of the new depot buildings and was used to maintain the fleet of diesel multiple units. Retrieved from Wikipedia CC BY-SA 3.0  Most cities in areas that get regular snowfall maintain a fleet of snow clearing vehicles. Retrieved from Wikipedia CC BY-SA 3.0  The facility has been future proofed to maintain a fleet of up to 109 electric trains. Retrieved from Wikipedia CC BY-SA 3.0  | 
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