环形浇口。这种浇口的功能是和前一节讨论的浇口相同的，且有相同的注释。

The function of this gate is identical to that discussed in the previous section and the same comments apply.

youdao

环形浇口。这种浇口的功能是和前一节讨论的浇口相同的，且有相同的注释。

The function of this gate is identical to that discussed in the previous section and the same comments apply.

youdao