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              Lesson 6 Clean production technologies of dry process
              工業(yè)科技

                      With the development of industry,especially in the 21th century,the environment protectionmore and more get the attention of the world. Solventborn resin contain a lot of volatile organicsolvent (VOC) and it will be discharged into the atmosphere,so it ca......(本文共 20099 字)     [閱讀本文] >>

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