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pan soil | |||
good bearing earth; hardpan |
坚土 : 37 phrases in 11 subjects |
Agriculture | 4 |
Architecture | 1 |
Bridge construction | 7 |
Earth sciences | 1 |
Ecology | 2 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Forestry | 1 |
General | 1 |
Hydroelectric power stations | 3 |
Technology | 15 |