青云翻译

This article from the analysis due to start inside and outside the petrochemical and explore coping strategies.

Therefore this article start with the analysis of internal and external factors of petrochemical, explore coping strategies.

Therefore this article petrifies from the analysis because inside and outside obtains, the discussion should to the strategy.

Therefore this article from the analysis because both inside and outside of the petrochemical, to explore strategies to cope with.

Therefore this article start with the analysis of internal and external factors of petrochemical, explore coping strategies.