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10-机械能、内能及其转化 2025-01-23 10:07:38
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11-简单电路 2025-01-23 10:09:24
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12-欧姆定律 2025-01-23 10:10:25
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13-电功和电功率 2025-01-23 10:11:27
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14-磁现象 2025-01-23 10:12:30
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==学爸优选 FPSer.com 微信 582229== 2025-01-23 10:15:16
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期中复习：欧姆定律计算 2025-01-23 10:15:14
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期末复习：电功率计算 2025-01-23 10:13:48
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