| |||
rock burst; rockbursts and bumps | |||
top failure | |||
bump; mine percussion; mine shock | |||
crush burst (mit Zerstörungserscheinungen am Abbaustoß) | |||
crump; pressure burst; rock bump; rock pressure burst; shock bump; strain burst |
Gebirgsschlag : 9 phrases in 1 subject |
Mining | 9 |