白土 : 262 phrases in 23 subjects |
Agriculture | 12 |
Architecture | 6 |
Bridge construction | 3 |
Chemistry | 18 |
Dermatology | 2 |
Desert science | 4 |
Drilling | 1 |
Earth sciences | 3 |
Ecology | 8 |
Engineering geology | 5 |
Environment | 1 |
General | 21 |
Hydroelectric power stations | 1 |
Metallurgy | 3 |
Mineralogy | 1 |
Nursing | 1 |
Oil / petroleum | 46 |
Pharmacology | 8 |
Plastics | 1 |
Soil science | 9 |
Technology | 100 |
Textile industry | 7 |
Water resources | 1 |