collapsible tube

基本解释

The emphasis of the project was laid on the effect between collapsible tube and viscous flow in bifurcating airways.
重点考察分叉结构中可塌陷管和不同雷诺数流动之间的相互影响。
By using finite element analysis (FEA) code, numerical simulation on axial compression critical load of collapsible lenticular tube is conducted to verify design indexes.
采用有限元法进行了轴向压缩承载能力分析计算，验证了制件可以满足设计指标要求；
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When the maximum velocity of an oscillated flow in the collapsible tube exceeds the so-called critical velocity, the tube will become unstable and oscillate with displacement.
可坍陷管中，当管流速度幅值超过临界速度时，会产生失稳和位移振荡。

It flies too fast to be hand-launched, so it ejects out of a thin tube with collapsible legs that a soldier can set up in an instant.
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