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。
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.
第七章分析了天然气水合物保温保压取样器的结构和工作原理。
In chapter 7, the structure and the working principle of the gas hydrate temperature-hold and pressure-tight sampling corer are discussed.
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