“amended barrier material”的概念、定义、翻译、参考文献-科学参考

单词	amended barrier material
释义	amended barrier material Encyclopedia 工学土木工程修复材料释 amended barrier material改性阻隔材料在天然钠基膨润土和钙基膨润土的基础上，经过离子交换、吸附、嵌入、插层等改性方法，提高其膨胀性、抗渗性、抗化学侵蚀等的工程阻隔屏障材料。
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