x-ray管 （167）

8 mins 13 secs

6 mins 29 secs

22 mins 50 secs

3 mins 48 secs

3 mins 57 secs

1 min 35 secs

3 mins 27 secs

8 mins 45 secs

2 mins 32 secs

21 mins 2 secs

8 mins

7 mins 48 secs

8 mins

11 mins 6 secs

7 mins 40 secs

12 mins 41 secs

1 min 32 secs

1 min 14 secs

10 mins 8 secs

8 mins 20 secs

6 mins 42 secs

5 mins 1 sec

8 mins 16 secs

8 mins 21 secs

5 mins

6 mins 41 secs