Photoelastic Determination of Mixed-mode Stress-intensity Factors in a Cylindrial Bar Subjected to Bending and Torsion Simultaneously是什么意思_Photoelastic Determination of Mixed-mode Stress-intensity Factors in a Cylindrial Bar Subjected to Bending and Torsion Simultaneously在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句