unified soil classification system

26:12

کوتاه

9:46

4:36

2:50

10:00

22:01

1:02:16

42:25

8:07

7:56

2:19

7:18

1:02

3:09

8:46

12:59

52:35

16:53

9:16

2:33

13:39

2:57

5:33

6:16

41:04

13:41

7:57

9:15

1:41

1:36

18:35

7:20

1:41

5:22

28:34

58:01

کوتاه

5:33

2:33