The effect of stiffness and damping of cement asphalt mortar on the vertical vibration of the high-speed train and slab track time-dependent system是什么意思_The effect of stiffness and damping of cement asphalt mortar on the vertical vibration of the high-speed train and slab track time-dependent system在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句