砂岩岩脉（岩墙、岩床）
cause of a serious disease
砂岩岩石特征
petrological features of sandstone
砂岩岩性油藏
sandstone lithologic reservoir
砂岩岩性油气藏
sandstone lithologir hydrocarbon reservoir
半圆坚介壳虫
Saissetia coffeae (Signoret
半圆介壳虫
Saissetia hemisphaerica (Targioni-Tozzetti
菠萝粉介壳虫
architectural objects
Pseudococcus brevipes Cockerell