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| 脉动式喷气 发动机: 31 phrases in 12 subjects |
| Air defense | 1 |
| Astronautics | 1 |
| Automobiles | 1 |
| Aviation | 4 |
| Combustion gas turbines | 1 |
| Construction | 1 |
| General | 3 |
| Mechanic engineering | 1 |
| Oil / petroleum | 1 |
| Skydiving | 4 |
| Space | 8 |
| Technology | 5 |
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