“氮气置换”的概念、定义、翻译、参考文献-科学参考

单词	氮气置换
释义	氮气置换 Encyclopedia 工学安全设施释 nitrogen replacement氮气置换利用氮气将容器及管道内的氧气置换到低于爆炸极限，防止投料时产生的粗合成气与氧气混合而发生爆炸的措施。
随便看	factorial moment measure factorial number factorial polynomial factorial power factorial prime factorial product factorial ring factorial Schur function factorial series factorial sum factorial variety factoring factoring contract factoring method factoring problem factor interaction factorion factorizability factorizable factorizable function factorizable group factorization factorization condition factorization criterion factorization equation

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