断链: 79 phrases in 17 subjects |
Agriculture | 4 |
Animal husbandry | 2 |
Automobiles | 7 |
Chemistry | 2 |
China | 1 |
Electronics | 3 |
General | 1 |
Genetics | 3 |
Information technology | 3 |
Nautical | 1 |
Oil / petroleum | 7 |
Plastics | 4 |
Polymers | 21 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 15 |
Telecommunications | 3 |