Дефекты сварных соединений и причины их возникновения Мельник А Г
Урок на тему: Дефекты сварных соединений и причины их возникновения. Подготовлен преподавателем Мельник А.Г.
5 months ago 00:16:37 3
6 months ago 00:00:16 1
6 months ago 00:23:45 1
6 months ago 00:00:40 1
7 months ago 00:05:58 1
8 months ago 00:07:28 1
10 months ago 00:06:44 1
10 months ago 00:12:07 1
10 months ago 00:03:02 1
10 months ago 00:09:58 1
10 months ago 00:03:06 1
10 months ago 00:03:11 1
11 months ago 00:00:55 1
12 months ago 00:07:03 1
12 months ago 00:04:43 1
12 months ago 00:02:21 1
12 months ago 00:41:17 1
1 year ago 00:00:57 1
1 year ago 00:20:42 5
1 year ago 00:01:27 1
1 year ago 00:14:21 1
1 year ago 00:12:41 1
1 year ago 00:01:52 1
1 year ago 00:22:45 1
