半螺纹螺钉理论上能稳定住冠状面上的骨折块。
Partially-threaded screws can theoretically stabilise coronal fracture fragments.
螺纹长度可调整的半埋头十字槽螺钉的侧面图。
Side view of raised countersunk posidriv screw with adjustable thread length.
江阴大桥吊索特别设计了螺纹连接的叉型锚具，其吊索采用半平行钢丝索股和钢丝绳两种材料。
Fork type anchor devices with thread connections are specially designed for hangers of Jiangyin Bridge, and semi parallel wire strands, steel wire ropes are used for the hangers as well.
应用推荐