The stiffness matrix about the three-dimension space connecting bar is derived.

并从理论上推导出了空间杆单元的刚度矩阵。

The above connecting bar springs rubber balls are all placed in metal tube casing pipes are fixed to supporting frame's two sides.

以上连杆、弹簧、皮球均放置在金属管内，套管固定在大梁两侧。

It introduces application of resin anchor fixation in construction of frame structure wall connecting bar from aspects of constructive technology features?

主要从施工技术特点、工艺原理和施工技术措施等方面介绍了树脂锚固技术在框架结构墙体拉结筋施工中的具体应用。

ZJ044 type shot blast cleaning machine is suitable for surface rust removal and strengthen of engine connecting bar, gear, shell cover wall, clutch friction part.

齿轮轴、炮弹壳内外壁、离合器摩擦片、盘齿及其它零件的内外表面的表面清理和强化。

The entire door type scaffold is characterized in that the connecting bar and the upright rod are welded together through a welding hole on the upper end of the upright rod;

它包括立杆、连接棒、安 全销，其特征：通过立杆上端的焊接孔，将连接棒和立杆焊接在一起；