sprue base
英
美
网络 浇口窝
双语例句
- Since some components such as ejector pin, locating ring, sprue bush, water junctions and springs are not included in the mould base, these components are purchased independently.
由于某些原件诸如顶针、定位环、浇口套、弹簧等是不包含在模架里的，因此需要单独购买。