短語詞組短語flexural l stiffness 抗撓剛度flexural stiffness modulus 彎曲勁度模量flexural stiffness property 抗撓剛度特性initial flexural stiffness 使用階段抗彎剛度flexural stiffness ratio 剛?cè)岜?/li>flexural stiffness of member 構(gòu)件抗彎剛度flexural stiffness model 抗彎剛度模型serviceability -level flexural stiffness 使用階段抗彎剛度service -level flexural stiffness 使用階段抗彎剛度 返回 flexural stiffness