组合环 meaning in English

associative ring

" combination ring sensors for corrosion monitoring on mild steel and copper specimens .
译为：组合环式传感器用于软钢和铜式样的腐蚀性监测。
The rings and wheels can be combined one and one to create different " spirograph " drawings
可以组合环和轮（一对一）以创建不同的“螺旋形”绘图。
Considering the gap between steel lining and concrete lining as the imperfect contact , contact layer is proposed to simulate the gap in the combined work analysis
针对这种不密实接触问题，采用厚壁圆环组合环法，提出了在钢衬和混凝土之间设置接触层的钢衬、混凝土衬圈和围岩三者联合受力分析方法。