短語詞組短語beam presser bracket 經(jīng)軸壓桿軸托腳Torsion Beam Bracket 橫梁托架straight -beam bracket 橋形機架beam presser shaft bracket 經(jīng)軸壓桿軸托腳buffer beam bracket 緩沖梁托box beam bracket 箱梁懸臂box beam bracket construction 箱梁懸臂施工joining beam bracket 絞栿deck beam bracket 甲板梁肘板 返回 beam bracket