以下是关于【水分子的变化】的公开课/优质课视频，一共152个
14:3070-
13:5677 -
11:3245 -
45:1214 -
45:2221 -
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38:3988 -
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43:4919 -
40:20136 -
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37:426 -
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36:21114 -
47:52107 -
10:3463 -
01:09:08130 -
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40:5821 -
53:3181 -
40:0359 -
41:2796 -
36:3522 -
35:4434 -
34:2822 -
37:09119 -
51:5654 -
35:2543 -
45:29127 -
41:0578 -
39:2730 -
31:5163 -
25:399 -
39:1738 -
40:03127 -
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44:2151 -
46:4066 -
39:55115 -
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38:1078 -
45:14120 -
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34:3898 -
43:5081 -
34:3581 -
41:32116 -
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45:54100 -
45:5490 -
40:1846 -
39:46136 -
45:46105 -
35:45114 -
42:5958 -
45:1560 -
43:3443 -
34:0340 -
37:5837 -
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39:3289 -
29:01111 -
43:5778 -
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35:038 -
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44:5116 -
48:2086 -
40:26113 -
40:2382 -
47:5136 -
36:1641 -
49:5019 -
36:0850 -
29:0481 -
49:1933 -
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40:1522 -
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38:0380 -
40:4058 -
40:0059 -
44:3995 -
44:1964 -
36:0213 -
37:578 -
38:0692 -
48:36128 -
27:3177 -
34:0070 -
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37:0151 -
41:01137 -
45:5629