冻土厚度
thickness of frozen earth layer
封底混凝土厚度
thickness of sub-sealing concrete
bottoming concrete thickness
覆土厚度
Covering soil thickness
Covering layer thickness
Soil cover depth
Soil covering thickness
thickness of covering soil
soil thickness
宏观尺度土壤
Regional and global scales
月壤厚度反演
Inversion of regolith layer thickness
高精度厚度控制
high-precision thickness control