Bone china porcelain is basically made by adding bone ash (burned animal bones) to kaolin and petuntse.
骨瓷基本成分是加入骨粉(动物骨头燃粉末)岭土和。
Bone china porcelain is basically made by adding bone ash (burned animal bones) to kaolin and petuntse.
骨瓷基本成分是加入骨粉(动物骨头燃粉末)岭土和。
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