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第二節
Duration: 45:43, Browse: 849, Last Updated: 2017-12-25
    Location
    Folder name
    第十三週(2017.12.21)
    Author
    物理系
    Branch
    物理系
    Created
    2017-12-25 00:33:15
    Last Updated
    2017-12-25 02:07:02
    Browse
    849
    Duration
    45:43