Through a theoretical analysis a study has been carried out concerning the evaporation heat exchange characteristics of water-air annular two-phase flows in a vertical slender tube.
通过理论分析，研究了竖直细小管内水—空气环状两相流的蒸发换热特性。
A slender, freestanding, vertical support; a column.
柱子，支柱细长、独撑的垂直支撑物；柱子。
The characteristic of the dress is plicated and vertical, making wearer look slender.
服装的特点是多褶皱和纵向造型，使穿着者显得修长。
Taking into account the rotating effect of the drillstring, this paper presents a bifurcating differential equation for the rotating slender drillstring being in tension in vertical well section.
考虑到垂直井中钻柱受拉段在旋转时的转动效应，建立了顶部悬挂、受分布浮重作用的旋转细长钻柱的分岔微分方程。
Taking into account the rotating effect of the drillstring, this paper presents a bifurcating differential equation for the rotating slender drillstring being in tension in vertical well section.
考虑到垂直井中钻柱受拉段在旋转时的转动效应，建立了顶部悬挂、受分布浮重作用的旋转细长钻柱的分岔微分方程。
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