马德堡半球实验,用了八匹马还是多�马都没有拉开,那么问题来了,这个球内的真空是怎么抽出来的? 知乎 Template




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tomski马德堡半球实验,用了八匹马还是多�马都没有拉开,那么问题来了,这个球内的真空是怎么抽出来的? 知乎 coloring