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分层开采
eng.geol. layer mining
expl. sublevel extraction; sublevel mining
mining. layer production
oil separate-zone production; separate-layer production; zonal production
tech. leaf mining; separate zone production; slicing; zonal withdrawal
分层开采回采法
gen. slicing
分层开采: 16 phrases in 5 subjects
Engineering geology2
Explosives and Explosive Ordnance Disposal1
General1
Oil / petroleum3
Technology9

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