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https://www.kechuang.org/t/70434这是我的。很简单。很适合新手。。。还有ABC的。适合入门、https://www.kechuang.org/t/7432大神的。影响了一...

引用四川大学《新认识“ 过氧化氢碘化钾催化分解” 的反应概念与机理》论文中分析的结论，这个反应实际是这样的：H2O2 + 2I- = I2 + 2OH-3H2O...

引用 fuwen0202:激光打印机木有步进电机。。。so。。拆零件不知道可以拆啥。。。 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX...

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