To cut off the sprue according to the standard, and then carry out sand blast , sanding and polishing.

对铸件进行标准切除铸道后，喷砂、打磨、抛光即可。

youdao

To cut off the sprue according to the standard, and then carry out sand blast , sanding and polishing.

对铸件进行标准切除铸道后，喷砂、打磨、抛光即可。

youdao