梯型芯头稳固砂芯，无顶芯机构，采用人工直接取芯。

There is core head for fixing the sand core, and no stripping mechanism but direct manual core fetching.

youdao

梯型芯头稳固砂芯，无顶芯机构，采用人工直接取芯。

There is core head for fixing the sand core, and no stripping mechanism but direct manual core fetching.

youdao