加长 : 159 phrases in 18 subjects |
Astronautics | 1 |
Astronomy | 1 |
Automobiles | 1 |
Aviation | 5 |
Business | 1 |
Construction | 2 |
Drilling | 9 |
General | 70 |
Ichthyology | 2 |
Jet engines | 1 |
Medical | 2 |
Military | 2 |
Mining | 1 |
Oil and gas technology | 1 |
Oil processing plants | 6 |
Radio | 3 |
Sewing and clothing industry | 1 |
Technology | 50 |