页岩压实系数
shale compaction coefficient
震实压实式造型机
jolt squeeze molding machine
震实-压实式造型机
jolt squeeze molding machine
真实砂岩模型
True sandstone micro-model
真实砂岩微观孔隙模型
real sandstone micro-pore model
真实砂岩微观模型
micro model of true sandstone
authentic sandstone micro-model
authentic sandstone micromodel
砂岩岩脉（岩墙、岩床）
cause of a serious disease
砂岩岩石特征
petrological features of sandstone