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考核實驗 18 探究通(tōng)電螺線管外部的磁場方向
時間:2023-02-23
考核實驗 18 探究通(tōng)電螺老什線管外部的磁場方向
時間:2023-02-23
Examination experiment 18: explores舞一 the magnetic field di訊商rection outside the energized 車購solenoid
time:2023-02-23
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