硫酸 铁 : 140 phrases in 16 subjects |
Agriculture | 5 |
Animal husbandry | 3 |
Architecture | 2 |
Chemistry | 35 |
Dermatology | 1 |
Earth sciences | 1 |
Electronics | 7 |
General | 7 |
Metallurgy | 10 |
Pharmacology | 21 |
Polygraphy | 3 |
Polymers | 1 |
Soil science | 2 |
Technology | 23 |
Textile industry | 3 |
Water resources | 16 |