NC machine tools are difficult to maintain and often result in heavy economic losses when they go wrong due to the high prices.

数控机床由于价格昂贵，一旦出现故障，维修困难，常带来较大的经济损失。

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NC machine tools are difficult to maintain and often result in heavy economic losses when they go wrong due to the high prices.

数控机床由于价格昂贵，一旦出现故障，维修困难，常带来较大的经济损失。

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