地层砂的阻挡
stoppage of formation sand
断移地层砂地比
ratio between sandstone and stratum thickness in f
岩性地层的层型
lithostratigraphic stratotype
被砾石与地层砂混合物充填的射孔孔道
gravelsand filled perforation tunnel
充填砾石与地层砂粒度中值比
median pack-to-formaton grainsize ratio
充填物与地层砂粒度中值比
pack-to-formation median grain size ratio
地层充填格架
sequence-filling framework
地层砂部分充填的炮眼
partially sand packed perforation
第一步炮眼充填
first-stage perforation pack
扩充的地址缓存器
extended address register
Ear
炮眼充填材料的渗透率
permeability of tunnel fill material