4向填充算法
4-direction-expanding algorithm
不稳定层状裂隙水流模型
unsteady parallel fracture flow model
采动裂隙
mining-induced fracture
mining-induced fractures
Mining-induced Crack
mining crack
mining cracking
cracks caused by coal mining
采动岩体裂隙网络
crack network in mined rockmass
层间裂隙
interformational fracture structure
interlayered crack
层状或块状岩类裂隙水
fissure water in sandwich or block rock
长大裂隙
large-scale discontinuity