It had very low operating costs (still does after one year of operation, too).
它的运营成本非常低(就算是运营了一年以后也还是如此)。
Quality with the Contractor responsible for 20 years operation, he has an interest to design and build quality plant with low operation and maintenance costs.
由于承包商负责20年的运营,他有兴趣以低运营和维护成本来设计和建造可靠的设备。
The Sulzer Dynamic seal is specially designed for difficult liquids offering reliable operation and low total sealing costs.
其中的动力密封是特为输送各种复杂的介质而设计的,该特殊设计可降低密封运行成本。
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