Паровой котел
Принцип действия парового котла.
4 months ago 00:46:23 1
4 months ago 00:01:00 1
4 months ago 00:01:01 1
5 months ago 00:00:16 1
5 months ago 00:04:47 1
7 months ago 00:02:12 40
7 months ago 01:29:19 1
8 months ago 00:04:17 1
8 months ago 00:15:03 1
9 months ago 00:05:30 1
9 months ago 00:05:54 1
9 months ago 00:01:38 1
9 months ago 00:02:26 2
9 months ago 00:03:15 3
9 months ago 00:03:32 3
10 months ago 00:00:56 1
10 months ago 00:06:58 1
10 months ago 00:03:14 9
10 months ago 00:00:58 1
11 months ago 00:01:00 1
11 months ago 00:24:34 1
11 months ago 00:09:59 1
11 months ago 00:14:07 1
11 months ago 00:03:03 1
