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初二物理(沪科版)第五章第3节图5—15水蒸气液化放热实验,不少教师感到费时难做.我对这个实验改进如下.
The second day of physics (Shanghai edition) Chapter 5 Section 3 Figure 5-15 steam liquefaction heat release experiment, many teachers find it difficult to do time. I improve this experiment as follows.