短语词组短語bending g line 彎曲線;彎度線Same bending line 折彎線共線bending moment influence line 彎矩影響線Bending Line Misalign 反折偏位Steel bar cold bending line 鋼條冷彎生産線tension -bending-leveling line 拉伸彎曲矯直機Line bending 線折彎 返回 bending line