当外加载荷大小、加载宽度及结构体长度相同时，柱壳结构中截面上拉应力最大值大于平板。
When their loading sizes, widths and lengths are the same, the maximum value of stress at the center of cross-section will be greater than that of the plane structure.
内插管结构能改善消声器的声学性能，拓宽消声频率范围，但设计它的具体长度需要根据排气频谱来选择。
Intubation structure can improve the acoustic performance of mufflers and widen the frequency range of mufflers, but its length must be designed according to the exhaust spectrum.
内插管结构能改善消声器的声学性能，拓宽消声频率范围，但设计它的具体长度需要根据排气频谱来选择。
Intubation structure can improve the acoustic performance of mufflers and widen the frequency range of mufflers, but its length must be designed according to the exhaust spectrum.
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