周转轮系 meaning in English

epicyclic gearing
epicyclic train
epicycloidal or planetary gear train

Application of determinant to efficiency calculation of epicyclic gear trains
行列式在周转轮系效率计算中的应用
Reasonable choice of the basic transmission ratio of non - h closed epicyclical gear train
封闭周转轮系基础传动比选择合理性研究
A description was carried out on the complicated epicyclic gear train by adopting the functional schematic diagram and the knowledge of graph theory
摘要采用功能示意图和图论知识对复杂周转轮系进行描述。