alkalinity complex rock bodies

complex rock beam

dynamic pressure and soft rock complex roadway

Maowu complex rock

Tianyu complex rock body

accumulation of rock mass

acidic cor rosion and filtration of rock mass

age of rock mass

anchorage of discontinuous jointed rock mass

Anchored Rock Mass

Anchoring rock mass

ancient rock mass of tension cracked

available rock mass

basic quality index of rock mass

Bearing capacity of rock mass

blasting enhanced permeability in deep rock mass w

bolted layered rock mass

Brittle rock mass

broken coal and rock mass