Paper margin inner-fold, product appearance is elegant.
纸边内折，产品外观雅致。
For another, their appearance will make paper-waste less.
另一方面，它们的出现减少了纸张浪费。
With practice and analysis of theory, the paper explains the unsymmetrical appearance …
本文从实际出发，通过理论分析，解释了混油特性中的非对称现象。
With practice and analysis of theory, the paper explains the unsymmetrical appearance …
本文从实际出发，通过理论分析，解释了混油特性中的非对称现象。
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