working of dual axis solar tracking system

کوتاه

13:06

6:05

6:05

6:05

6:05

6:05

15:08

5:12

کوتاه

3:03

1:57

3:05

4:01

5:45

2:05

28:49

2:30

2:38

2:48

5:35

8:34

کوتاه

1:27

8:34

1:20

4:32

کوتاه

47:49

2:40

3:39

49:40

4:26

5:12

10:19

3:41

1:22

3:05

2:07

18:24