聊城鑫硕Q345B方矩管规格
16×1.5-2.5-4 102×4.5-5-6-7-8-10-12-14-16-20 273×30-35-38-40-45-50 18×2.3-4-5 108×4.5-5-6-7-8-10-12-14-18-20-22 299×8-12-16-20-24-28 20×2.5-3-5 114×4.5-5-6-7-8-10-12-14-18-20 299×30-32-36-38-40-45 24×2.5-3-4-5-6 121×4.5-5-6-7-8-10-12-14-16-20 325×8-12-14-18-38-42 25×2.5-3-4-5-6 127×4.5-5-6-7-8-10-12-14-16-20 325×28-32-34-38-42