采空区上方  above Goaf

房采采空区  Gob Left by Room and Pillar Mining

综采采空区  mechanized mining gob

测油罐油面上部空间高度的尺  outage tape

上部、上半  Up-half

油罐油面上部空间高度的测定  gauging by ullage; gauging by outage

总上部空隙  gross headspace

P采空区  exploited area

柏井采空区  Baijing mined-out areas

采空区  excavated-empty area; excavated-empty-area; Stopes; Mind-out Area; gob; mined-out areas; mined region; goaf area; vacant place; Coal mine gap; Excavation area; Mine-out Area; mined out region; mining cavities; guag; gwag; mining goaf area; Cavity; Empty mine area; integrated geophysical exploration; Worked out zone; ground electricity cross section image; mining exvacations area; Mining-out Area; working out area; GOAF; golf; underground mined caves; coal-goaf; Mined-out Zone; worked-out area; mined out space; empty mining area; coal mine gob; underground goaf; mine goaf; Waste; finished stope; mined area; stoped out area; stoped area; Ined-out area; excavated region in coal mine; coal mined area; Mined-area; abandoned coal area; gob area; Reconnaissance; stoped out workings; work-out area; mining caves; mined out area; exhausted area; abandoned stope; Mined-out Region; empty area; mined zone; mined-out area; Cavities; Mined-out stope; mined up panel; Hollow out Section; mining out area; mined - out area (gob; Mining-out region; Waste area; Stope; emptied stopes; Worked-out section; mine out area; geologic subsidence; emptied area; mined gob; Mining area; coal mine goaf; waste cave; abandoned workings; Goal; gobi area

采空区边坡  The Slopes of Empty Mine Area

采空区残煤  liptobiolite coal in goaf

采空区充填  gob stowing; goaf stowing

采空区抽放  gob well drainage

采空区处理  gob treatment; Mined-out area disposal; goaf management; Mined-out area treatment; Abandoned stope treatment; goaf disposal; disposal of emptied stope

采空区地面塌陷  picks depletion region fall of ground

采空区顶板处理  roof handling of goaf

采空区废石  gob

采空区分析  mined area