“packing material”的概念、定义、翻译、参考文献-科学参考

单词	packing material
释义	packing material Encyclopedia 管理学包装材料释 packing material包装材料用于制造包装容器、包装印刷、包装运输等满足产品包装要求所使用的材料。包装材料的合理选择对保护物品有着非常重要的作用。 Chemistry ＞分析化学＞仪器分析＞释义 packing material填料
随便看	sum of powers sum of powers conjecture sum of prime factors sum of products sum of random many of random variables sum of sequences sum of series sum of sets sum of square deviations sum of squares sum of squares between classes sum of squares for partial regression sum of squares function sum of squares of residues sum of squares within classes sum of submodules sum of subspaces sum of the digits sum of vectors sum operator sum over state sum over states sump sump level control for hydrocyclone feeding process sum-product number

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