epicyclic造句

1、This paper analysed the cold die forging technology of automotive epicyclic gears.
分析了汽车行星齿轮的冷模锻工艺。

2、an outer gear that revolves about a central sun gear of an epicyclic train.
围绕本轮列车的中心齿轮旋转的外部齿轮。

3、an outer gear that revolves about a central sun gear of an epicyclic train
围绕本轮列车的中心齿轮旋转的外部齿轮。