This factory provides toilet paper making machines.
这家工厂提供卫生纸制造机。
But lignin becomes one of the main pollution sources, coming from waste water in the paper-making factory.
它是造纸厂排出的废液中的主要成分，是主要的水污染源之一。
This paper expounds the factory manufacturing in and field installation of enclosed room of oversized converter in 150 tons stainless steel making engineering of Taiyuan Iron and steel Complex.
阐述了太钢150万t不锈钢炼钢工程特大型转炉封闭间的工厂制作和现场安装。
This paper expounds the factory manufacturing in and field installation of enclosed room of oversized converter in 150 tons stainless steel making engineering of Taiyuan Iron and steel Complex.
阐述了太钢150万t不锈钢炼钢工程特大型转炉封闭间的工厂制作和现场安装。
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