Explosives properties - 1
Ch-18 Mathematics, Physics, Metallurgy subjects
0:00 / 0:00
Explosives properties - 1
3 399 просмотров · 7 л. назад
Ch-18 Mathematics, Physics, Metallurgy subjects
11,3 тыс. подписчиков
3 399 просмотров · 7 л. назад
Subject: Mining Engineering
Courses:Drilling and blasting technology