新工艺与旧工艺有两处重要不同。

The new process differs from the old in two important ways.

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这一处理工艺国内外都已成熟，差别不大。

This process at home and abroad have been mature, little difference.

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这一处理工艺国内外都已成熟，差别不大。

This process at home and abroad have been mature, little difference.

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