Gunnlaugsson G A, Pedersen P T. A finite element formulation for beams with thin-walled gross-section. Computer &Structures, Vol.15, No.6, 1982是什么意思_Gunnlaugsson G A, Pedersen P T. A finite element formulation for beams with thin-walled gross-section. Computer &Structures, Vol.15, No.6, 1982在线翻译_英语_读音_用法_例句