The term jig should be used only for devices employed while drilling, reaming, or tapping holes.

钻模这个术语只用在服务于钻孔、铰孔或攻丝的装置上。

youdao

The term jig should be used only for devices employed while drilling, reaming, or tapping holes.

钻模这个术语只用在服务于钻孔、铰孔或攻丝的装置上。

youdao