The key point is that no single interaction achieves the meaning of the required service operation.

关键是，任何单一交互都不能实现所需的服务操作的目标。

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This paper introduces the structure, performance, key point of design and operation results of external heat exchanger in CFB boiler.

本文介绍循环流化床锅炉用外置式换热器的结构、性能、设计要点以及实际运行情况。

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This paper gives emphasis to structure, performance, key point of design and key link of operation of an ignition device over bed in fluidized bed boiler.

本文重点介绍流化床锅炉床上点火装置的结构、性能、设计要点及其操作要领。

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Council members said that promise was a key point in getting nations to contribute troops to the operation.

CNN: U.N. could send troops to Slavonia