Паровой котел
Принцип действия парового котла.
10 years ago 00:03:55 26
14 years ago 00:02:15 12
11 years ago 00:02:15 28
6 years ago 00:28:52 13
9 years ago 00:09:59 149
8 years ago 00:02:10 69
8 years ago 00:28:06 0
10 years ago 00:02:15 237
5 years ago 00:04:24 7
7 years ago 00:10:08 20
6 years ago 00:02:42 150
6 years ago 00:02:20 49
5 years ago 00:11:56 78
5 years ago 00:14:46 190
2 years ago 00:03:06 7
5 years ago 00:01:10 4
1 year ago 00:04:17 21
5 years ago 00:53:42 3
5 years ago 00:28:37 4
1 year ago 00:02:59 15
1 year ago 00:03:14 15
8 years ago 00:07:17 13
2 years ago 00:28:46 22
2 years ago 00:06:13 6
