Процесс бурения шпуров в подземной горной выработке.
1 month ago 00:51:24 1
1 month ago 00:00:00 1
2 months ago 00:00:00 1
2 months ago 00:01:06 1
2 months ago 00:00:00 1
2 months ago 00:27:53 1
2 months ago 00:44:56 1
2 months ago 00:31:08 1
2 months ago 00:02:46 1
2 months ago 00:57:55 1
2 months ago 01:48:01 1
2 months ago 00:04:27 1
2 months ago 00:12:57 1
2 months ago 00:27:00 1
3 months ago 00:14:24 1
3 months ago 00:18:02 1
3 months ago 00:03:38 1
3 months ago 00:03:26 1
3 months ago 00:02:06 1
4 months ago 00:00:54 1
4 months ago 00:11:01 1
4 months ago 00:09:31 1
4 months ago 00:02:07 1
4 months ago 00:03:51 1
