控制索 meaning in Chinese

control cord
controlling rope

Aerospace series . turnbarrels , control cable in copper - zinc alloys . dimensions and loads
航空和航天系列.铜锌合金制控制索的松紧螺套.尺寸和负载
The prestress in the structure have two functions : on the construction process , the prestress keeps the structures to be formed ; but on the initial equilibrium state , the prestress changes the force in the members and keep cable do not out of work
提出了预应力对结构的作用有两个：在施工成形阶段，预应力的作用为保证结构能够施工成形；而在施工成形后，预应力的作用主要是改变结构中各构件的内力分布，同时控制索不要退出工作。