Процесс вальцовки труб в барабане котла
3 months ago 00:32:19 1
6 months ago 00:20:49 1
7 months ago 00:10:16 1
9 months ago 00:01:17 1
10 months ago 00:02:31 1
1 year ago 00:12:06 1
1 year ago 00:22:17 1
1 year ago 00:09:33 1
2 years ago 00:08:26 1
2 years ago 00:07:55 28
2 years ago 00:00:21 1
2 years ago 00:00:52 2.7K
3 years ago 00:00:08 23
3 years ago 00:03:39 129
3 years ago 00:26:41 70
3 years ago 00:03:28 2.1K
3 years ago 00:01:25 3
3 years ago 00:00:29 5.2K
3 years ago 00:00:59 322
3 years ago 00:01:11 203
3 years ago 00:11:14 1
4 years ago 00:06:35 1
4 years ago 00:00:29 26K
6 years ago 00:26:17 4
