短語詞組短語flexural tensile stress 拉應力flexural tensile stress examination 拉應力檢騐allowable flexural unit stress [力]容許彎曲單位應力flexural l stress 彎曲應力;撓曲應力flexural fiber stress 撓曲纖維應力flexural -tensile stress 彎拉應力alternate flexural stress 交變彎曲應力flexural stress at break 斷裂彎曲應力flexural stress field 撓曲應力場 返回 flexural stress