英语翻译英语翻译谁能给我翻译一下 16) Experiment with steel wool and vinegar.What kind of chemical reaction occurs when the iron in steel wool reacts with oxygen?
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英语翻译
英语翻译
谁能给我翻译一下
16) Experiment with steel wool and vinegar.What kind of chemical reaction occurs when the iron in steel wool reacts with oxygen?
答