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| 过 压保护: 61 phrases in 15 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Automobiles | 4 |
| Aviation | 3 |
| Electric machinery | 5 |
| Electronics | 12 |
| Exhibitions | 1 |
| General | 1 |
| Hydroelectric power stations | 14 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Rail transport | 4 |
| Space | 2 |
| Technology | 7 |
| Wind Energy | 3 |