 |
| |||
| pairs | |||
| pair assembly; two-aircraft element; two-ship element; two-unit | |||
| |||
| two unit | |||
|
双机组 : 40 phrases in 13 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| China | 1 |
| Electric machinery | 5 |
| Electronics | 9 |
| Metallurgy | 2 |
| Name of organization | 1 |
| Refrigeration | 1 |
| Shipbuilding | 1 |
| Space | 4 |
| Technology | 9 |
| Textile industry | 1 |
| Wind Energy | 4 |
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