片语
flexural l stiffness抗挠刚度
flexural stiffness property抗挠刚度特性
service-level flexural stiffness使用阶段抗弯刚度
flexural stiffness modulus弯曲劲度模量
serviceability-level flexural stiffness使用阶段抗弯刚度
flexural rigidity[力] 抗弯刚度
flexural stiffness of member构件抗弯刚度
flexural stiffness ratio刚柔比
bending rigidity抗弯刚度;弯曲刚度
flexural stiffness model抗弯刚度模型
initial flexural stiffness使用阶段抗弯刚度