In orchestration, a central process takes control over the involved web services and coordinates the execution of different operations on the web services involved in the operation.

在业务流程，中央接管进程所涉及的Web服务的控制和协调不同的业务在操作中涉及的Web服务的执行。

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With the traditional mistrust of changeover control of the central air-conditioning plant, conventional design solutions have been based upon the non-changeover operation.

由于人们长期以来对中央空调装置转换控制的不信任，常规的设计方法一直是以非转换运行为基础的。

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Operation of excess sludge pump is controlled by the computer inside central control room or by PLC under automatic mode.

由中控室内的终端机开关旁通电动蝶阀或由PLC控制自动运行。

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