presentation管 （0） 6

1 min 6 secs

5 mins 1 sec

41 secs

7 mins 9 secs

7 mins 15 secs

37 secs

7 mins 26 secs

7 mins

1 min 1 sec

53 secs

12 mins 21 secs

9 secs

13 secs

1 min 36 secs

1 min 36 secs

1 min 32 secs

41 secs

10 mins 46 secs

1 min 9 secs

5 mins 29 secs

2 mins 19 secs

7 mins 21 secs

32 secs

1 min 11 secs

1 min

8 secs

7 mins 24 secs