In terms of a circular plastic product, a simple pin point gate mould was designed.

针对一种圆筒形制品，设计了一种结构简单的点浇口成型模具结构。

youdao

In terms of a circular plastic product, a simple pin point gate mould was designed.

针对一种圆筒形制品，设计了一种结构简单的点浇口成型模具结构。

youdao