论述电动机驱动管道增压压缩机比燃气轮机驱动具有环保和经济两方面优势，是一种发展趋势；
Described are advantages of motor-driven pipeline booster compressor over gas turbine-driven pipeline booster compressor in environmental protection and economy.
介绍了废工业催化剂回收的现状和常用的回收方法。几种近年来出现具有经济性和环保性双重优势的新型回收技术具有发展前途。
Latest advances in reclamation of commercial waste catalysts were reviewed. Several economic and environmentally-benign new recovery techniques will have promising future.
实行循环经济后，将出现一些新的技术发展趋势，环保科技工作者应对此尽早准备好相应的措施。
They also suppose that new environment technological tendency will appear to meet the need of recycling econ...
实行循环经济后，将出现一些新的技术发展趋势，环保科技工作者应对此尽早准备好相应的措施。
They also suppose that new environment technological tendency will appear to meet the need of recycling econ...
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