英语网专题频道ppr的近义词栏目,提供与ppr的近义词相关的英语知识和资讯,希望英语网专题频道ppr的近义词栏目能够成为您了解ppr的近义词、掌握相关英语知识和资讯的重要窗口。

ppr

abbr.proper 适当的;paper 纸币;present participle 现在分词;present protected rights 现时性能评级;

英文例句/中文翻译:

  • 1、

    The results show that, Al2O3/ SiO2/ PPR modified materials and WBG ⅱ/ Al2O3/ SiO2/ PPR materials compared to pure PPR, acid and alkali resistance have been upgrading the performance.

    结果表明,Al2O3/SiO2/PPR改性材料和WBGⅡ/Al2O3/SiO2/PPR改性材料相比于纯PPR,耐酸碱性能都得到了提高。

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  • 2、

    The preparation of new type toughened intercalated PP/ OMMT nanocomposite showed it had good application prospects at PPR area, because the intercalated PP/ OMMT nanocomposite improved the toughness and maintain good heat-resistant and mechanical properties advantage of ordinary toughening.12.

    制备出的新型增韧的插层型PP/OMMT纳米复合材料显示在提高韧性的同时保持了聚丙烯耐热性好的优点,在制备热水管道用PPR管等方面具有良好的应用前景。

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  • 3、

    In order to describe the complexity of aircraft and make the Digital Product Definition ( DPD) model hereditable and patulous, a Product-Process-Resource ( PPR) Knowledge Model for aircraft is presented.

    为描述飞机产品的复杂性,使数字化产品定义模型具有良好的可继承性和可扩展性,提出了飞机产品-过程-资源知识模型。

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