名词
中文翻译：水下作业
同义词：
['submersible operation', 'underwater work']
例句：
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1. The divers performed an underwater operation to repair the damaged pipeline.
潜水员进行了一次水下作业来修复受损的管道。
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2. The submersible vehicle was used for underwater operations in deep-sea exploration.
这种潜水器被用于深海探索中的水下作业。
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3. During the operation, the team successfully retrieved the lost treasure from the depths of the ocean.
在这次操作中，团队成功地从海洋深处找回了失落的宝藏。