题目内容

高压断路器能根据需要，将电路设备或线路投入（或退出）运行，能在某些电气设备或线路发生故障时，将（）从电网中快速切除，保证电网无（）正常运行。

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Most troubles likely to occur with marine diesel engine can, if located in time, be remedied with no difficulty and many can be （）if the engine is maintained with a high sense of responsibility to the people on the part of the motormen and engineers.

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