| 文件 | 时间 | 大小 | 下载 | |
|---|---|---|---|---|
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01.压力和压强...mp4 | 2024-07-01 17:57:55 | 321.15 MB | |
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02.液体压强、连通器...mp4 | 2024-07-01 17:57:55 | 420.67 MB | |
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03.大气压强...mp4 | 2024-07-01 17:57:55 | 318.84 MB | |
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04.浮力...mp4 | 2024-07-01 17:57:55 | 373.66 MB | |
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05.物体的浮与沉...mp4 | 2024-07-01 17:57:55 | 414.35 MB | |
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06.杠杆...mp4 | 2024-07-01 17:57:55 | 393.85 MB | |
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07.轮轴...mp4 | 2024-07-01 17:57:55 | 307.9 MB | |
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08.机械功、机械效率...mp4 | 2024-07-01 17:57:55 | 322.07 MB | |
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09.热传递 热量...mp4 | 2024-07-01 17:57:55 | 268.62 MB | |
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10.认识电路...mp4 | 2024-07-01 17:57:55 | 304 MB | |
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11.电流和电流表的使用...mp4 | 2024-07-01 17:57:55 | 264.41 MB | |
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12.电阻...mp4 | 2024-07-01 17:57:55 | 280.55 MB | |
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13.电压和电压表的使用...mp4 | 2024-07-01 17:57:55 | 281.96 MB | |
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14.欧姆定律...mp4 | 2024-07-01 17:57:55 | 311.99 MB | |
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15.电功电功率...mp4 | 2024-07-01 17:57:55 | 350.73 MB | |
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16.家庭电路...mp4 | 2024-07-01 17:57:55 | 315.2 MB | |
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17.机械能...mp4 | 2024-07-01 17:57:55 | 237.13 MB | |
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18.分子热运动、内能...mp4 | 2024-07-01 17:57:55 | 294.88 MB | |
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19.电磁感应...mp4 | 2024-07-01 17:57:55 | 244.37 MB | |
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20.能源与能量守恒...mp4 | 2024-07-01 17:57:55 | 250.06 MB |