采用带抽芯机构的组合压型，制作出了行星轮架整体蜡模。

The inner core pulling of The gear planetary frame can be solved by adopting combinative core.

youdao

采用带抽芯机构的组合压型，制作出了行星轮架整体蜡模。

The inner core pulling of The gear planetary frame can be solved by adopting combinative core.

youdao