7:01
اموزش درست کردن دستگاه عیب یابی و تعمیر پاور سوئیچینگ
4:41
24:44
36:05
17:47
31:38
19:38
9:08
21:31
16:04
22:07
18:45
power switching repair traning
13:13
30:08
14:17
19:19
30:06
24:13
28:48
32:22
primary circuit in the switching power supply
29:48
Familiarity with the primary circuit in power switching
19:37
18:14
36:57