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New bone China and fine ceramic, five broad headings.
新骨瓷和精陶，五大类。
youdao
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The best composition of body and glaze of new bone China is determined.
确定了新骨质瓷的最佳坯釉料配方。
youdao
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The best composition of body and glaze of new bone China is determined.
确定了新骨质瓷的最佳坯釉料配方。
youdao