理學答案?2022-04-28 20:00
假如你是Jack,最近你收到了李小雷的來信,內容如下:Dear Jack, Can you help me please? My best friend has just started smoking. I do not like it and I told her what I thought. She laughed at me and said that I was not grown-up enough. 物理性脹罐是因為乳中的酸性物質與罐內壁的鐵、錫等發生化學反應而產生氫氣所造成的
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