Cast steel hollow spherical joint with tube is a new type of cast steel joint.
铸钢空心球管节点是一种新型的铸钢节点形式。
2
The present investigation indicates that the cast steel joint subjected to its design loads has sufficient strength and rigidity.
研究表明，该铸钢节点在设计荷载的作用下，具有足够的强度和刚度；
3
Group one used joint immobilization method, adopt cast to fix right knee joint, this group is experiment group; another group was used as control group.