过 硫酸 : 104 phrases in 16 subjects |
Agriculture | 3 |
Chemistry | 36 |
Electronics | 4 |
Food service and catering | 2 |
General | 9 |
Metallurgy | 4 |
Nuclear physics | 1 |
Oil / petroleum | 5 |
Pharmacology | 2 |
Plastics | 2 |
Polymers | 7 |
Scientific | 1 |
Steel production | 1 |
Technology | 16 |
Textile industry | 2 |
Water resources | 9 |