a protective layer in excavation of rock foundation
additional low layer functions
asphalt top layer solution
bedding fault zone in layer C5
congenital defect of muscular layer in stomach wall
low layer jet and energy front
low resistivity layer in the crust
low resistivity layer in upper mantle
Low velocity layer in mid-crust
low-velocity-and-high-conduction layer in mid-crust
penetrative soil layer in field in situ
Putaohua oil layer in Yushulin
sandstone layer in the uranium-coal bearing series