动力弯曲劲度 flexural stiffness: 抗挠刚度; 抗弯刚度; 挠曲劲度; 弯曲刚度flexural stiffness of member: 构件抗弯刚度; 截面弯曲刚度flexural stiffness ratio: 刚柔比dynamic stiffness: 动刚度; 动力刚度; 动态刚度; 动态刚性度dynamic stiffness ratio: 动刚度比下载手机词典可随时随地查词查翻译