The design of turbulator air preheater with finned tube and that with optic tube as well as its application in petrochemical works were recommended.
介绍了扰翅片管气预热器及光管扰气预热器的设计以及石油化工厂中的应用。
The turbulator can be used to improve the centralization of the casing strings, to allow the fluid to form spiral flow, as well as to improve the displacement efficiency.
用旋扶正器既可提高套管的居中度,又可对体进行导而形成螺旋,还可以提高环水泥浆对泥浆的顶替效率。
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