搜索 - 科创

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V-2导弹的涡轮泵，就是由H2O2推动的。90%H2O2溶液先进入反应釜中，里面放有浸过Ca(MnO4)2的碎瓷片，这样H2O2就会迅速分解，产生的气体温度约为320-330度，可以直接推动钢制涡轮。

要显微镜全新 220V交流电压表 3元爆闪灯 2元未知的变压器 2元电子温度计 2元 5V升24V的升压板 4元显微镜 45元最后要这些是吗？

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