abnormal interior frame joint
frame joint covered with angles
high-strength concrete frame joint
prestressed concrete spatial frame joint
Corner joint
角部接点
转角节点
角接
弯管接头
角接头
角连接头
角焊缝
角榫
转角接合
隅角接合
弯管连接
弯头连接
frame antenna (=frame-aerial)
frame-to-frame coherence
Frame-to-frame Difference