The operator for each attribute can be changed using the drop down menu in the section header.
可以使用部分标题中的下拉菜单来更改每个属性的运算符。
This artcle analyses the high—pressure header steam water side excess pressure protect theory of local N200—130/535/535 turbine, and shows the relevant requirement to operator.
针对国产N200—130/535/535型汽轮机，分析其汽水侧超压保扩原理，并对运行人员提出了相应要求。
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