All
98 | 13:42duration 13 minutes 42 seconds
Circular Motion (Chinese and English subtitles…
Circular Motion (Chinese and English subtitles available)
jackieyclee edb-jackieyclee
497 | 10:25duration 10 minutes 25 seconds
立方衛星 (中文字幕可供選擇)
234 | 11:06duration 11 minutes 6 seconds
Cubesat (English subtitles available)
開始和結束時間:
開始時間: