双根 meaning in Chinese

double joint
double varilla doble

Treatment of femoral intertrochanteric fractures with dhs internal fixation
双根克氏针固定治疗跟骨粉碎性骨折
The damper with concrete ductility column is composed of multiple ductility columns including single , double and generally 3 ~ 5 and up - down rigid mount . the height - ductility column is the concrete column , that height is 1 / 3 of the floor height . the up - down rigid mount connects rigidly multiple ductility columns . the damper sets the first floor of the soft first - storey structure or the layer - floor of the high - rise building , used deformation scale effect to consume more seismic energy
混凝土延性柱耗能器由多根(含单根、双根,一般为3 5根)高度约为层高1 / 3的混凝土延性柱和上下刚性支座(将多根柱刚性连接在一起)组成,设置于底层柔性结构的底层或高层结构的层间,利用变形放大效应消耗更多的地震能量。