单词：pitting surface
pitting surface的用法和样例：
例句
- It was shown that Na2CO3 inhibited the pitting corrosion of aluminum alloy to some extent.实验结果表明，碳酸钠对铝合金具有较好的缓蚀作用，在一定程度上抑制了铝合金的点蚀。
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加州英语分级G6