cantilever beam短语¹⁴⁴⁹⁷²⁺² 基本例句 悬梁 Based on the potential flow theory of liquid and vibration equation of cantilever/span> beam, the free vibration problem of cantilever beam liquid cantilever/span> beam coupled system is analyzed in this paper. 应用流体的势流理论及悬臂梁振动方程，本文分析了悬臂梁流体悬臂梁耦联系统的自由振动问题。 dictall