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Other PPE alloys were introduced briefly . The technical trend of modified PPE alloys were also discussed.
最后还介绍了改性聚苯醚的开发方向、技术动态和发展趋势.
英汉翻译词典包含4367426条英汉汉英翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习的有利工具。