振動管 （1901） 13

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4 mins 51 secs

6 mins

5 mins 5 secs

7 mins 59 secs

7 mins 8 secs

4 mins

5 mins

6 mins

5 mins 27 secs

8 mins 11 secs

1 min 1 sec

8 mins 21 secs

11 mins 54 secs

13 secs

3 mins 34 secs

11 mins 58 secs

20 secs

10 mins 39 secs

5 mins 8 secs

6 mins 53 secs

1 min 23 secs

12 mins 2 secs

5 mins 19 secs

10 mins 29 secs

59 secs

18 mins