搜索 - 科创

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十字螺丝刀被被浪費了..........."樓主用什麼砂紙的多麼強悍的砂紙新式硬盘只能用砂纸，不能用砂轮片，为啥？ [s:261]

硬盘电机功率太小，如果磨更重的东西，不行，不如用皮带带一个大点的飞轮，飞轮上粘砂纸，速度低了，但是力量大了

叔丁醇应该是反应物吧？具体的我也不太清楚。做过这实验，乙酸钠是延长其发光时间的，应该是催化剂吧。还是坐等专家好了

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