Лекция А.Сигаева. Часть 4. Лазерная и плазменная сварки пульс
9 months ago 01:44:49 13
9 months ago 01:30:40 1
2 years ago 00:02:15 2K
2 years ago 00:08:19 20
2 years ago 00:37:38 40
2 years ago 00:18:57 34
2 years ago 00:23:01 30
2 years ago 00:22:08 24
2 years ago 00:32:15 54
4 years ago 00:22:28 5.5K
