The process used biological adsorption as the pretreatment, which could cut down the operating cost.

该工艺采用生物吸附作为预处理，很大程度上降低了运行费用。

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It is necessary to look for low-cost external carbon sources for reducing the operating cost in winter.

为了降低冬季运行费用，有必要寻找廉价的外碳源。

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Finally, we come to the key part of this thesis that is the application of the operating cost method in the automobile manufacturing enterprise.

最后是本文的重点部分，即作业成本法在汽车制造企业中的应用。

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Visitors help pay the cost of caring for and operating it.

VOA: special.2009.11.16

Murphy echoed what Mr. Kempel said about the operating cost advantages of the horizontal approach that SimpliVity uses.

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Electrical bills can be 70% of the operating cost of running data centers.

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That means transferring the operating cost onto the consumer.

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