For instance, grog was insteaded by sand as temper, molding technique was developed, atmosphere in later period of firing was often reducing.

例如，普遍以砂粒代替碎陶末做羼和料，模制成型法的进步，烧成后期主要是还原气氛。

youdao

For instance, grog was insteaded by sand as temper, molding technique was developed, atmosphere in later period of firing was often reducing.

例如，普遍以砂粒代替碎陶末做羼和料，模制成型法的进步，烧成后期主要是还原气氛。

youdao