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6.0介绍不同情况下重心的求法 .mp4 | 2023-12-31 05:45:59 | 40.02MB | |
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6.1非连续物体求重心.mp4 | 2023-12-31 05:45:59 | 36.67MB | |
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6.2补偿法求重心 .mp4 | 2023-12-31 05:45:59 | 16.79MB | |
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6.3习题.mp4 | 2023-12-31 05:45:59 | 40.04MB | |
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6重心.pdf | 2023-12-31 05:45:59 | 190.49kB |