Aimed at the jet noise which is induced by the expand structure and tail tube in the resistant muffler, a finite element model at low Mach number was developed.
针对抗性消声器中扩张结构和尾管引起的射流噪声问题，建立了低马赫数射流噪声有限元分析模型。
The paper writes that it is better to increase the wall thickness of the body upper tube, rear tail tube and mounting plate for the rear sock absorber and also gives Suggestions for some structures.
提出了加大车体上管、后尾管、后减震器安装板各自壁厚及同时加大三者壁厚几种结构改进方案。
In the page #2 you can see the tail group assembly and how it is fasten to the boom tube.
在第2页中你能见到在机尾部分如何固定到吊杆管的装配。
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