abnormal interior frame joint
frame joint covered with angles
high-strength concrete frame joint
prestressed concrete spatial frame joint
Corner joint
转角节点
弯管接头
角接头
角焊缝
转角接合
隅角接合
弯管连接
弯头连接
角连接头
角部接点
角接
角榫
1200 Spindles Spinning Frame with Auto Doffing
20 MN NC frame type of hydraulic press
2-span and 2-storey composite steel frame