使用 期 限 : 109 phrases in 26 subjects |
Agriculture | 1 |
Automobiles | 11 |
Aviation | 3 |
Bridge construction | 1 |
Business | 5 |
Chemistry | 1 |
China | 1 |
Commerce | 4 |
Compressors | 1 |
Cryptography | 1 |
Economy | 7 |
Electronics | 9 |
Finances | 1 |
General | 3 |
Management | 1 |
Metallurgy | 4 |
Oil / petroleum | 4 |
Oil and gas | 1 |
Plastics | 2 |
Refrigeration | 1 |
Securities | 1 |
Skydiving | 1 |
Space | 3 |
Technology | 36 |
Telecommunications | 1 |
Wind Energy | 5 |