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套管
1、tubes───n.[材]管子，导管；管状虫；伦敦地铁（tube的复数）
2、convolute tubes───回旋管
3、annular───adj.环形的，有环纹的
4、annular ring───环孔；环状垫圈；循环振铃
5、annular cutters───环形切割器
6、annular flow───[流]环状流
7、tympan tubes───鼓管
8、the tubes───管；伦敦地铁（非正式）
9、annular pancreas───环状胰腺
1、Convective heat transfer and pressure drop of annular tubes with three different internal longitudinal fins───三种内翅片管管内流动与换热特性
2、A theoretical analysis was carried out for evaporative heat transfer of annular two phase flow of liquid film and high velocity air in vertically heated tubes.───通过理论分析，研究了竖直传热管内降膜-高速空气环状两相流的蒸发换热特性。
3、Study of Flow Boiling and Two-phase Flow Patterns in Narrow-gap Annular Tubes───环形窄通道内流动沸腾换热及两相流型研究
4、In fluctuation two layer on the annular tubes water respectively set point connected to the underground grounding flat iron.───在上下两层供水环形管上分别各设置一点接至地下接地扁铁。
5、An annular combustor with evaporation tubes was designed for certain micro-turbojet engine.───为某微型涡喷发动机设计了一个蒸发管环形燃烧室。
6、An Investigation on Hydrodynamic Characteristics of Liquid Slug in Oil-Gas-Water Three-Phase Slug Flow during Annular Tubes───圆管内油-气-水三相弹状流液弹区流动特性的研究
7、Experimental Study of Critical Heat Flux during Natural Convective Boiling in Inclined Annular Tubes Submerged in Saturated Liquids───倾斜窄长套管内自然对流沸腾临界热流密度的实验研究
8、Emergence and Evolution of Oil-Gas-Water Three-Phase Slug Flow in Annular Tubes───圆管内油-气-水三相弹状流的生成和发展