题目内容
We use the china stone immediately after being mined.
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Pottersmake brick-shapedDunzi by using a wooden moldbecause it is convenient for standardizing the measurable proportion.
The ratio of the double-unit formula Kaolin clay normally consists of 70% kaolin.
Using Kaolinhasincreased thecontent ofaluminum trioxidein theporcelain body.
The material should be kneaded and pressedonly for theassociability.
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