![]() |
颗粒大小 : 41 phrases in 13 subjects |
Agriculture | 1 |
Animal husbandry | 2 |
Aviation | 1 |
Compressors | 1 |
Earth sciences | 2 |
Electronics | 2 |
Hydroelectric power stations | 4 |
Oil / petroleum | 1 |
Refrigeration | 1 |
Soil science | 2 |
Space | 1 |
Technology | 22 |
Water resources | 1 |