45:24
111_2_Analytical Chem_CH25_new_record2.mp4
觀看(1041)
55:14
W6 2024_03_28_3.mp4
觀看(31)
50:14
LA70100_20240604.mp4
觀看(5)
49:27
W3 2024_03_05_1.mp4
觀看(45)
01:06:43
113上-普通化學chapter 1.mp4
觀看(4538)
01:34:15
110_2_GChem_Ch20-1.wmv
觀看(1043)
17:02
LA80300-20221227-5.mp4
觀看(0)
01:31:36
110_2_GChem_Ch16-1.mp4
觀看(1480)
50:45
W17 2024_06_13_3.mp4
觀看(1)