“groundwater corrosivity on concrete”的概念、定义、翻译、参考文献-科学参考

单词	groundwater corrosivity on concrete
释义	groundwater corrosivity on concrete Encyclopedia 工学工程地下水问题释 groundwater corrosivity on concrete地下水对混凝土腐蚀性地下水中比较常见的离子物质有钙离子（Ca2+），镁离子（Mg2+），铵根离子（NH4+），氯离子（Cl-），硫酸根离子（SO42-），碳酸根离子（CO32-），碳酸氢根离子（HCO3-），氢氧根离子（OH-）。当建筑物长其处于地下水作用时，需要评价地下水对混凝土的腐蚀性。
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