The article explains the type selecting, the application, the maintenance method and the effect for the layered coal-feed device of the boiler.

文章阐述了链条炉排锅炉分层给煤装置的选型、应用、维护方法及其效果。

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The maintenance method and the maintenance system for the service operation can conveniently and effectively maintain the operation condition of an intelligent network.

本发明业务操作运维方法和系统可以方便有效维护智能网运行状况。

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According to the practical enterprise production condition. The paper introduces the maintenance method of digital machine. It aims the digital control machine at running normally.

根据工厂实际工作情况，总结介绍了数控机床维修工作的具体措施，以保障数控机床的正常运行。

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The maintenance of the Aaa with a negative outlook into 2014 is highly unlikely unless the method adopted to achieve debt stabilization involved a large, immediate fiscal shock with a resulting unstable economic situation.

FORBES: Moody's Says U.S. Has Until End Of 2013 To Save AAA Rating

Using the passive-power principle found in crystal radios, the method has proved successful over short distances in places where it is difficult to replace batteries or carry out maintenance.

ECONOMIST: Wireless charging