helix tube

常见例句

This paper focuses on the optimal pitch arrangement in double-side heating once-through steam generator with helix tube inside.
本文主要研究了带内螺旋缠绕管的管套管双面加热直流蒸汽发生器元件中沸腾段内螺旋管螺距设置的优化问题。
The once-through steam generator with double-side heat transfer component was presented in this paper. And the component is composed of straight tube outside and helix tube inside.
介绍了一种双面换热的套管式直流蒸汽发生器，其元件由直管外管和螺旋内管组成。
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In the first place, a formula is proved for indicating a magnetic induction strength inside a long straight helix tube carrying current, with the tubes cross section in tetragonal N regular polygon.
首先证明了正N边形截面长直螺线管内部磁感应强度的公式，进而证明了长直螺线管内部磁感应强度与横截面的形状无关。