1)planetary final drive group,行星式最终传动组件2)planetary gear final transmission,行星式最终传动3)planetary final drive,行星最终传动4)final drive group,最终传动组件5)planetary final drive sun gear,行星式最终传动中心齿轮6)planetary group,行星传动组件
英汉例句
Multi-objective reliability optimization design of tractor’s NGW type planetary gear final transmission;
