因此，研究母管蒸汽压力控制的负荷优化具有重要意义。

So the research on load optimization of main-pipe steam pressure control is of great significance.

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对于母管制运行的机组，母管蒸汽压力是表征锅炉运行状态的重要参数。

As to piping-main scheme unit, boiler piping-main steam pressure is the important parameter of signifying the running state of the boiler.

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若分枝管的截面积大小不同，则细支管与母管中心延长线间的夹角较大；

If the cross section area of the two branching ducts are different, the Included angle on the smaller branch duct against the extended center line is usually bigger.

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