“permeability number”的概念、定义、翻译、参考文献-科学参考

单词	permeability number
释义	permeability number [´pǝr·mē·ǝ`bil·ǝd·ē ´nǝm·bǝr] ^ENGINEERING A numbered value assigned to molding materials indicating the relative ease of passage of gases through them.
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科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。