短語詞組短語diagonal web member 斜腹桿;斜桿diagonal web member truss 斜腹桿桁架diagonal extensible member 對角伸縮桿diagonal tension member 斜拉桿truss -diagonal compression member model theory 桁架diagonal member strength stress 斜材強(qiáng)度應(yīng)力diagonal lateral force resisting member 斜交抗側(cè)力構(gòu)件 返回 diagonal member