Study on the Frequency Spectral Character of Axially Symmetric Torsion Wave in a Buried Circular Pipe (Cylinder)是什么意思_Study on the Frequency Spectral Character of Axially Symmetric Torsion Wave in a Buried Circular Pipe (Cylinder)在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句