The Force Difference and its Meridian Equi-moment Induce by the Inside Surface Difference between Flank-extrados and Flank-intrados of Loop under Internal Pressure是什么意思_The Force Difference and its Meridian Equi-moment Induce by the Inside Surface Difference between Flank-extrados and Flank-intrados of Loop under Internal Pressure在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句